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Centre National de Référence des Pneumocoques

Rapports / Publications

Rapports d'activités

Publications

  • Plainvert C, Varon E, Viriot D, Kempf M; French Regional Pneumococcal Observatories (ORP) network. Invasive pneumococcal infections in France: Changes from 2009 to 2021 in antibiotic resistance and serotype distribution of Streptococcus pneumoniae based on data from the French Regional Pneumococcal Observatories network. Infect Dis Now. 2023 Feb;53(1):104632. doi: 10.1016/j.idnow.2022.11.001. Epub 2022 Nov 12. PMID: 36375765.
  • Rybak A, Levy C, Ouldali N, Bonacorsi S, Béchet S, Delobbe JF, Batard C, Donikian I, Goldrey M, Assouline J, Cohen R, Varon E. Dynamics of Antibiotic Resistance of Streptococcus pneumoniae in France: A Pediatric Prospective Nasopharyngeal Carriage Study from 2001 to 2022. Antibiotics. 2023 Jun 6;12(6):1020. doi: 10.3390/antibiotics12061020. PMID: 37370339; PMCID: PMC10295685.
  • Lo SW, Mellor K, Cohen R, Alonso AR, Belman S, Kumar N, Hawkins PA, Gladstone RA, von Gottberg A, Veeraraghavan B, Ravikumar KL, Kandasamy R, Pollard SAJ, Saha SK, Bigogo G, Antonio M, Kwambana-Adams B, Mirza S, Shakoor S, Nisar I, Cornick JE, Lehmann D, Ford RL, Sigauque B, Turner P, Moïsi J, Obaro SK, Dagan R, Diawara I, Skoczyńska A, Wang H, Carter PE, Klugman KP, Rodgers G, Breiman RF, McGee L, Bentley SD, Muñoz-Almagro C, Varon E; Global Pneumococcal Sequencing Consortium. Emergence of a multidrug-resistant and virulent Streptococcus pneumoniae lineage mediates serotype replacement after PCV13: an international whole-genome sequencing study. Lancet Microbe. 2022 Oct;3(10):e735-e743. doi: 10.1016/S2666-5247(22)00158-6. Epub 2022 Aug 16. PMID: 35985351; PMCID: PMC9519462.
  • Hanquet G, Krizova P, Dalby T, Ladhani SN, Nuorti JP, Danis K, Mereckiene J, Knol MJ, Winje BA, Ciruela P, de Miguel S, Portillo ME, MacDonald L, Morfeldt E, Kozakova J, Valentiner-Branth P, Fry NK, Rinta-Kokko H, Varon E, Corcoran M, van der Ende A, Vestrheim DF, Munoz-Almagro C, Sanz JC, Castilla J, Smith A, Henriques-Normark B, Colzani E, Pastore-Celentano L, Savulescu C; SpIDnet group1. Serotype Replacement after Introduction of 10-Valent and 13-Valent Pneumococcal Conjugate Vaccines in 10 Countries, Europe. Emerg Infect Dis. 2022 Jan;28(1):137-138. doi: 10.3201/eid2801.210734. PMID: 34932457; PMCID: PMC8714201.
  • Sadowski E, Bercot B, Chauffour A, Gomez C, Varon E, Mainardis M, Sougakoff W, Mayer C, Sachon E, Anquetin G, Aubry A. Lipophilic quinolone derivatives: Synthesis and in vitro antibacterial evaluation. Bioorg Med Chem Lett. 2022 Jan 1;55:128450. doi: 10.1016/j.bmcl.2021.128450. Epub 2021 Nov 11. PMID: 34774742.
  • Stahl JP, Castan B, Bonnet E, Bru JP, Cohen R, Diamantis S, Faye A, Hitoto H, Issa N, Lesprit P, Maulin L, Poitrenaud D, Raymond J, Strady C, Varon E, Verdon R, Vuotto F, Welker Y, Gauzit R. Utilization of macrolides. State of the art 2022 Spilf and GPIP. Infect Dis Now. 2022 Aug;52(5):252-266. doi: 10.1016/j.idnow.2022.03.001. Epub 2022 Mar 8. PMID: 35276407.
  • Debray MP, Carette MF, Loubet P, Pasquet B, Houhou Fidouh N, Benjoar M, Varon E, Brun AL, Claessens YE, Duval X, Khalil A; ESCAPED study group. CT features of community-acquired pneumonia at the emergency department. Respir Med Res. 2022 May;81:100892. doi: 10.1016/j.resmer.2022.100892. Epub 2022 Apr 28. PMID: 35489109.
  • Akroum S, Tubiana S, de Broucker T, Dournon N, Varon E, Ploy MC, Mourvillier B, Oziol E, Lacassin F, Laurichesse H, Hoen B, Duval X, Burdet C; and the COMBAT study group. Long-term neuro-functional disability in adult patients with community-acquired bacterial meningitis. Infection. 2022 Oct;50(5):1363-1372. doi: 10.1007/s15010-022-01855-2. Epub 2022 Jun 3. PMID: 35657529.
  • Béraud G, Tubiana S, Erpelding ML, Le Moing V, Chirouze C, Gorenne I, Manchon P, Tattevin P, Vernet V, Varon E, Hoen B, Duval X; AEPEI study group; COMBAT study group. Combined Bacterial Meningitis and Infective Endocarditis: When Should We Search for the Other When Either One is Diagnosed? Infect Dis Ther. 2022 Aug;11(4):1521-1540. doi: 10.1007/s40121-022-00651-7. Epub 2022 May 26. PMID: 35618954; PMCID: PMC9334461.
  • Rybak A, Varon E, Masson E, Etchevers A, Levy-Brühl D, Ouldali N, Levy C, Cohen R. Investigation of Concurrent Pneumococcal Meningitis in Two Children Attending the Same Day-Care Center. Front Pediatr. 2022 Jul 14;10:945767. doi: 10.3389/fped.2022.945767. PMID: 35928689; PMCID: PMC9344131.
  • Benadji A, Duval X, Danis K, Hoen B, Page B, Béraud G, Vernet-Garnier V, Strady C, Brieu N, Maulin L, Roy C, Ploy MC, Gaillat J, Varon E, Tubiana S; COMBAT Study Group; SIIP Study Group. Relationship between serotypes, disease characteristics and 30-day mortality in adults with invasive pneumococcal disease. Infection. 2022 Feb;50(1):223-233. doi: 10.1007/s15010-021-01688-5. Epub 2021 Sep 1. PMID: 34468953.
  • Assad Z, Michel M, Valtuille Z, Lazzati A, Boizeau P, Madhi F, Gaschignard J, Pham LL, Caseris M, Cohen R, Kaguelidou F, Varon E, Alberti C, Faye A, Angoulvant F, Koehl B, Ouldali N. Incidence of Acute Chest Syndrome in Children With Sickle Cell Disease Following Implementation of the 13-Valent Pneumococcal Conjugate Vaccine in France. JAMA Netw Open. 2022 Aug 1;5(8):e2225141. doi: 10.1001/jamanetworkopen.2022.25141. PMID: 35917121; PMCID: PMC9346553.
  • Duval X, Taha MK, Lamaury I, Escaut L, Gueit I, Manchon P, Tubiana S, Hoen B; COMBAT study group. One-Year Sequelae and Quality of Life in Adults with Meningococcal Meningitis: Lessons from the COMBAT Multicentre Prospective Study. Adv Ther. 2022 Jun;39(6):3031-3041. doi: 10.1007/s12325-022-02149-7. Epub 2022 Apr 28. PMID: 35484469; PMCID: PMC9123035.
  • Rybak A, Ouldali N, Angoulvant F, Minodier P, Biscardi S, Madhi F, Hau I, Santos A, Bouvy E, Dubos F, Martinot A, Dommergues MA, Gras-Le Guen C, Launay E, Levieux K, Zenkhri F, Craiu I, Lorrot M, Gillet Y, Mezgueldi E, Faye A, Béchet S, Varon E, Cohen R, Levy C. Shift in Clinical Profile of Hospitalized Pneumonia in Children in the Non-pharmaceutical Interventions Period During the COVID-19 Pandemic: A Prospective Multicenter Study. Front Pediatr. 2022 Mar 22;10:782894. doi: 10.3389/fped.2022.782894. PMID: 35391746; PMCID: PMC8980475.
  • Rybak A, Levy C, Angoulvant F, Auvrignon A, Gembara P, Danis K, Vaux S, Levy-Bruhl D, van der Werf S, Béchet S, Bonacorsi S, Assad Z, Lazzati A, Michel M, Kaguelidou F, Faye A, Cohen R, Varon E, Ouldali N. Association of Nonpharmaceutical Interventions During the COVID-19 Pandemic With Invasive Pneumococcal Disease, Pneumococcal Carriage, and Respiratory Viral Infections Among Children in France. JAMA Netw Open. 2022 Jun 1;5(6):e2218959. doi: 10.1001/jamanetworkopen.2022.18959. PMID: 35763298; PMCID: PMC9240903.
  • Ouldali N, Varon E, Levy C, Angoulvant F, Georges S, Ploy MC, Kempf M, Cremniter J, Cohen R, Bruhl DL, Danis K. Invasive pneumococcal disease incidence in children and adults in France during the pneumococcal conjugate vaccine era: an interrupted time-series analysis of data from a 17-year national prospective surveillance study. Lancet Infect Dis. 2021 Jan;21(1):137-147. doi: 10.1016/S1473-3099(20)30165-1. Epub 2020 Jul 20. PMID: 32702302.
  • Bennett JC, Hetrich MK, Garcia Quesada M, Sinkevitch JN, Deloria Knoll M, Feikin DR, Zeger SL, Kagucia EW, Cohen AL, Ampofo K, Brandileone MC, Bruden D, Camilli R, Castilla J, Chan G, Cook H, Cornick JE, Dagan R, Dalby T, Danis K, de Miguel S, De Wals P, Desmet S, Georgakopoulou T, Gilkison C, Grgic-Vitek M, Hammitt LL, Hilty M, Ho PL, Jayasinghe S, Kellner JD, Kleynhans J, Knol MJ, Kozakova J, Kristinsson KG, Ladhani SN, MacDonald L, Mackenzie GA, Mad'arová L, McGeer A, Mereckiene J, Morfeldt E, Mungun T, Muñoz-Almagro C, Nuorti JP, Paragi M, Pilishvili T, Puentes R, Saha SK, Sahu Khan A, Savrasova L, Scott JA, Skoczyńska A, Suga S, van der Linden M, Verani JR, von Gottberg A, Winje BA, Yildirim I, Zerouali K, Hayford K; The Pserenade Team. Changes in Invasive Pneumococcal Disease Caused by Streptococcus pneumoniae Serotype 1 Following Introduction of PCV10 and PCV13: Findings from the PSERENADE Project. Microorganisms. 2021 Mar 27;9(4):696. doi: 10.3390/microorganisms9040696. PMID: 33801760; PMCID: PMC8066231.
  • Ben Hayoun M, Tubiana S, Varon E, Naccache JM, Le Floch H, Leport C, Claessens YE, Duval X; PASCAN ESCAPED study group. 2010 French SPILF-AFSSAPS guiding criteria for Streptococcus pneumoniae acute community-acquired pneumonia: Evaluation in patients of the PACSCAN-ESCAPED cohort. Infect Dis Now. 2021 Mar;52(2):146-152. doi: 10.1016/j.medmal.2020.09.004. Epub 2020 Sep 17. PMID: 32950610.
  • Gauzit R, Castan B, Bonnet E, Bru JP, Cohen R, Diamantis S, Faye A, Hitoto H, Issa N, Lebeaux D, Lesprit P, Maulin L, Poitrenaud D, Raymond J, Strady C, Varon E, Verdon R, Vuotto F, Welker Y, Stahl JP. Anti-infectious treatment duration: The SPILF and GPIP French guidelines and recommendations. Infect Dis Now. 2021 Mar;51(2):114-139. doi: 10.1016/j.idnow.2020.12.001. Epub 2020 Dec 31. PMID: 34158156.
  • Cohen R, Levy C, Ouldali N, Goldrey M, Béchet S, Bonacorsi S, Varon E. Invasive Disease Potential of Pneumococcal Serotypes in Children After PCV13 Implementation. Clin Infect Dis. 2021 Apr 26;72(8):1453-1456. doi: 10.1093/cid/ciaa917. PMID: 32804200. Online ahead of print.
  • Deloria Knoll M, Bennett JC, Garcia Quesada M, Kagucia EW, Peterson ME, Feikin DR, Cohen AL, Hetrich MK, Yang Y, Sinkevitch JN, Ampofo K, Aukes L, Bacci S, Bigogo G, Brandileone MC, Bruce MG, Camilli R, Castilla J, Chan G, Chanto Chacón G, Ciruela P, Cook H, Corcoran M, Dagan R, Danis K, de Miguel S, De Wals P, Desmet S, Galloway Y, Georgakopoulou T, Hammitt LL, Hilty M, Ho PL, Jayasinghe S, Kellner JD, Kleynhans J, Knol MJ, Kozakova J, Kristinsson KG, Ladhani SN, Lara CS, León ME, Lepp T, Mackenzie GA, Mad'arová L, McGeer A, Mungun T, Mwenda JM, Nuorti JP, Nzoyikorera N, Oishi K, De Oliveira LH, Paragi M, Pilishvili T, Puentes R, Rafai E, Saha SK, Savrasova L, Savulescu C, Scott JA, Scott KJ, Serhan F, Setchanova LP, Sinkovec Zorko N, Skoczyńska A, Swarthout TD, Valentiner-Branth P, van der Linden M, Vestrheim DF, von Gottberg A, Yildirim I, Hayford K; The Pserenade Team. Global Landscape Review of Serotype-Specific Invasive Pneumococcal Disease Surveillance among Countries Using PCV10/13: The Pneumococcal Serotype Replacement and Distribution Estimation (PSERENADE) Project. Microorganisms. 2021 Apr 2;9(4):742. doi: 10.3390/microorganisms9040742. PMID: 33918127; PMCID: PMC8066045.
  • Garcia Quesada M, Yang Y, Bennett JC, Hayford K, Zeger SL, Feikin DR, Peterson ME, Cohen AL, Almeida SCG, Ampofo K, Ang M, Bar-Zeev N, Bruce MG, Camilli R, Chanto Chacón G, Ciruela P, Cohen C, Corcoran M, Dagan R, De Wals P, Desmet S, Diawara I, Gierke R, Guevara M, Hammitt LL, Hilty M, Ho PL, Jayasinghe S, Kleynhans J, Kristinsson KG, Ladhani SN, McGeer A, Mwenda JM, Nuorti JP, Oishi K, Ricketson LJ, Sanz JC, Savrasova L, Setchanova LP, Smith A, Valentiner-Branth P, Valenzuela MT, van der Linden M, van Sorge NM, Varon E, Winje BA, Yildirim I, Zintgraff J, Knoll MD; The Pserenade Team. Serotype Distribution of Remaining Pneumococcal Meningitis in the Mature PCV10/13 Period: Findings from the PSERENADE Project. Microorganisms. 2021 Apr 1;9(4):738. doi: 10.3390/microorganisms9040738. PMID: 33916227; PMCID: PMC8066874.
  • Brueggemann AB, Jansen van Rensburg MJ, Shaw D, McCarthy ND, Jolley KA, Maiden MCJ, van der Linden MPG, Amin-Chowdhury Z, Bennett DE, Borrow R, Brandileone MC, Broughton K, Campbell R, Cao B, Casanova C, Choi EH, Chu YW, Clark SA, Claus H, Coelho J, Corcoran M, Cottrell S, Cunney RJ, Dalby T, Davies H, de Gouveia L, Deghmane AE, Demczuk W, Desmet S, Drew RJ, du Plessis M, Erlendsdottir H, Fry NK, Fuursted K, Gray SJ, Henriques-Normark B, Hale T, Hilty M, Hoffmann S, Humphreys H, Ip M, Jacobsson S, Johnston J, Kozakova J, Kristinsson KG, Krizova P, Kuch A, Ladhani SN, Lâm TT, Lebedova V, Lindholm L, Litt DJ, Martin I, Martiny D, Mattheus W, McElligott M, Meehan M, Meiring S, Mölling P, Morfeldt E, Morgan J, Mulhall RM, Muñoz-Almagro C, Murdoch DR, Murphy J, Musilek M, Mzabi A, Perez-Argüello A, Perrin M, Perry M, Redin A, Roberts R, Roberts M, Rokney A, Ron M, Scott KJ, Sheppard CL, Siira L, Skoczyńska A, Sloan M, Slotved HC, Smith AJ, Song JY, Taha MK, Toropainen M, Tsang D, Vainio A, van Sorge NM, Varon E, Vlach J, Vogel U, Vohrnova S, von Gottberg A, Zanella RC, Zhou F. Changes in the incidence of invasive disease due to Streptococcus pneumoniae, Haemophilus influenzae, and Neisseria meningitidis during the COVID-19 pandemic in 26 countries and territories in the Invasive Respiratory Infection Surveillance Initiative: a prospective analysis of surveillance data. Lancet Digit Health. 2021 Jun;3(6):e360-e370. doi: 10.1016/S2589-7500(21)00077-7. Erratum in: Lancet Digit Health. 2021 May 26: PMID: 34045002; PMCID: PMC8166576.
  • Planas D, Bruel T, Grzelak L, Guivel-Benhassine F, Staropoli I, Porrot F, Planchais C, Buchrieser J, Rajah MM, Bishop E, Albert M, Donati F, Prot M, Behillil S, Enouf V, Maquart M, Smati-Lafarge M, Varon E, Schortgen F, Yahyaoui L, Gonzalez M, De Sèze J, Péré H, Veyer D, Sève A, Simon-Lorière E, Fafi-Kremer S, Stefic K, Mouquet H, Hocqueloux L, van der Werf S, Prazuck T, Schwartz O. Sensitivity of infectious SARS-CoV-2 B.1.1.7 and B.1.351 variants to neutralizing antibodies. Nat Med. 2021 May;27(5):917-924. doi: 10.1038/s41591-021-01318-5. Epub 2021 Mar 26. PMID: 33772244.
  • Cohen R, Ashman M, Taha MK, Varon E, Angoulvant F, Levy C, Rybak A, Ouldali N, Guiso N, Grimprel E. Pediatric Infectious Disease Group (GPIP) position paper on the immune debt of the COVID-19 pandemic in childhood, how can we fill the immunity gap? Infect Dis Now. 2021 Aug;51(5):418-423. doi: 10.1016/j.idnow.2021.05.004. Epub 2021 May 12. PMID: 33991720; PMCID: PMC8114587.
  • Poline J, Gaschignard J, Leblanc C, Madhi F, Foucaud E, Nattes E, Faye A, Bonacorsi S, Mariani P, Varon E, Smati-Lafarge M, Caseris M, Basmaci R, Lachaume N, Ouldali N. Systematic Severe Acute Respiratory Syndrome Coronavirus 2 Screening at Hospital Admission in Children: A French Prospective Multicenter Study. Clin Infect Dis. 2021 Jun 15;72(12):2215-2217. doi: 10.1093/cid/ciaa1044. PMID: 32710743; PMCID: PMC7454330.
  • Maldiney T, Bonnot D, Anzala N, Albac S, Labrousse D, Varon E, Amoureux L, Chapuis A, Bador J, Neuwirth C, Croisier D, Chavanet P. In vitro antimicrobial activity of daptomycin alone and in adjunction with either amoxicillin, cefotaxime or rifampicin against the main pathogens responsible for bacterial meningitis in adults. J Glob Antimicrob Resist. 2021 Jun; 25:193-198. doi: 10.1016/j.jgar.2021.03.007. Epub 2021 Mar 24. PMID: 33774218.
  • Levy C, Ouldali N, Varon E, Béchet S, Bonacorsi S, Cohen R. Post-13-Valent Pneumococcal Conjugate Vaccine Dynamics in Young Children. Emerg Infect Dis. 2021;27(8):2240-2241. doi: 10.3201/eid2708.210037. PMID: 34287137; PMCID: PMC8314828.
  • Jung C, Levy C, Varon E, Biscardi S, Batard C, Wollner A, Deberdt P, Sellam A, Hau I, Cohen R. Diagnostic Accuracy of SARS-CoV-2 Antigen Detection Test in Children: A Real-Life Study. Front Pediatr. 2021 Jul 15;9:647274. doi: 10.3389/fped.2021.647274. PMID: 34336732; PMCID: PMC8321236.
  • Coronas E, Martinot A, Varon E, Wallet F, Dubos F; Hospital Network for Evaluating the Management of Common Childhood Diseases. Stable Incidence of Invasive Pneumococcal Disease in Children in Northern France from 2014 Through 2018. Pediatr Infect Dis J. 2021 Jul 1;40(7):688-693. doi: 10.1097/INF.0000000000003095. PMID: 34097661.
  • Bellut H, Porcher R, Varon E, Asfar P, Le Tulzo Y, Megarbane B, Mathonnet A, Dugard A, Veinstein A, Ouchenir K, Siami S, Reignier J, Galbois A, Cousson J, Preau S, Baldesi O, Rigaud JP, Souweine B, Misset B, Jacobs F, Dewavrin F, Mira JP, Bedos JP. Comparison of prognostic factors between bacteraemic and non-bacteraemic critically ill immunocompetent patients in community-acquired severe pneumococcal pneumonia: a STREPTOGENE sub-study. Ann Intensive Care. 2021 Oct 24;11(1):148. doi: 10.1186/s13613-021-00936-z. PMID: 34689255; PMCID: PMC8542522.
  • Dudognon D, Levy C, Chalumeau M, Biscardi S, Dommergues MA, Dubos F, Levieux K, Aurel M, Minodier P, Zenkhri F, Mezgueldi E, Craiu I, Morin L, Béchet S, Varon E, Cohen R, Cohen JF; Pneumonia Study Group. Diagnostic Accuracy of Routinely Available Biomarkers to Predict Bacteremia in Children with Community-Acquired Pneumonia: A Secondary Analysis of the GPIP/ACTIV Pneumonia Study in France, 2009-2018. Front Pediatr. 2021 Oct 21;9:684628. doi: 10.3389/fped.2021.684628. PMID: 34746044; PMCID: PMC8567958.
  • Levy C, Varon E, Ouldali N, Béchet S, Bonacorsi S, Cohen R. Changes in Invasive Pneumococcal Disease Spectrum After 13-Valent Pneumococcal Conjugate Vaccine Implementation. Clin Infect Dis. 2020 Jan 16;70(3):446-454. doi: 10.1093/cid/ciz221.
  • Loubet P, Tubiana S, Claessens YE, Epelboin L, Ficko C, Le Bel J, Rammaert B, Garin N, Prendki V, Stirnemann J, Leport C, Yazdanpanah Y, Varon E, Duval X; ESCAPED study group. Community-acquired pneumonia in the emergency department: an algorithm to facilitate diagnosis and guide chest CT scan indication. Clin Microbiol Infect. 2020 Mar;26(3): 382.e1-382.e7. doi: 10.1016/j.cmi.2019.06.026.
  • Tubiana S, Varon E, Biron C, Ploy MC, Mourvillier B, Taha MK, Revest M, Poyart C, Martin-Blondel G, Lecuit M, Cua E, Pasquet B, Preau M, Hoen B, Duval X; COMBAT study group; Principal investigator; Steering Committee; Scientific committee: steering committee and the following members; COMBAT Clinical Centers; Coordination and statistical analyses (Clinical trial unit, Hôpitaux Universitaires Paris Nord Val de Seine, AP-HP, Paris); Scientific partnership; Partners. Community-acquired bacterial meningitis in adults: in-hospital prognosis, long term disability and determinants of outcome in a multicentre prospective cohort. Clin Microbiol Infect. 2020 Jan 9: S1198-743X(19)30679-2. doi: 10.1016/j.cmi.2019.12.020. Online ahead of print.
  • Varon E et Gaillat J. Pneumocoque. Revue des Maladies Respiratoires Actualités (2020) 12, 6—10. doi.org/10.1016/j.rmra.2020.08.004.
  • Jacquier H, Vironneau P, Dang H, Verillaud B, Lamers G, Herman P, Vicaut E, Tessier N, Bidet P, Varon E, Van Den Abbeele T, Cambau E, Bercot B, Kania R. Bacterial biofilm in adenoids of children with chronic otitis media. Part II: a case-control study of nasopharyngeal microbiota, virulence, and resistance of biofilms in adenoids. Acta Otolaryngol. 2020 Mar;140(3):220-224. doi: 10.1080/00016489.2020.1718749. Epub 2020 Feb 12.
  • Cassir N, Pascal L, Ferrieux D, Bruel C, Guervilly C, Rebaudet S, Danis K, Kopec L, Fenollar F, Varon E, Vig V, Lasalle JL, Ramalli L, Michelet P, Lagier JC, Persico N, Brouqui P, Malfait P, Parola P. Outbreak of pneumococcal pneumonia among shipyard workers in Marseille, France, January to February 2020. Euro Surveill. 2020 Mar; 25(11):2000162. doi: 10.2807/1560-7917.ES.2020.25.11.2000162.
  • González-Díaz A, Machado MP, Càmara J, Yuste J, Varon E, Domenech M, Del Grosso M, Marimón JM, Cercenado E, Larrosa N, Quesada MD, Fontanals D, El-Mniai A, Cubero M, Carriço JA, Martí S, Ramirez M, Ardanuy C. Two multi-fragment recombination events resulted in the β-lactam-resistant serotype 11A-ST6521 related to Spain9V-ST156 pneumococcal clone spreading in south-western Europe, 2008 to 2016. Euro Surveill. 2020 Apr;25(16):1900457. doi: 10.2807/1560-7917.ES.2020.25.16.1900457.
  • Dubreuil L; Members of the CA-SFM 2019. Improvement of a disk diffusion method for antibiotic susceptibility testing of anaerobic bacteria. French recommendations revisited for 2020. Anaerobe. 2020 Aug; 64:102213. doi: 10.1016/j.anaerobe.2020.102213. Epub 2020 Jun 29.
  • Gaborieau L, Delestrain C, Bensaid P, Vizeneux A, Blanc P, Garraffo A, Georget E, Chalvon A, Garrec N, Laoudi Y, Varon E, Rouget S, Pupin A, Abdel Aal K, Toulorge D, Ducrocq S, Barrey C, Pantalone L, Robert B, Joly-Sanchez L, Thach C, Masserot-Lureau C, Chahine J, Garcia-Roudaut VR, Rozental J, Nathanson S, Khaled M, Mandelcwajg A, Demayer N, Muller S, Mazerghane M, Epaud R, Pellegrino B, Madhi F. Epidemiology and Clinical Presentation of Children Hospitalized with SARS-CoV-2 Infection in Suburbs of Paris. J Clin Med. 2020 Jul 14;9(7):2227. doi: 10.3390/jcm9072227.
  • Poline J, Gaschignard J, Leblanc C, Madhi F, Foucaud E, Nattes E, Faye A, Bonacorsi S, Mariani P, Varon E, Smati-Lafarge M, Caseris M, Basmaci R, Lachaume N, Ouldali N. Systematic SARS-CoV-2 screening at hospital admission in children: a French prospective multicenter study. Clin Infect Dis. 2020 Jul 25: ciaa1044. doi: 10.1093/cid/ciaa1044. Online ahead of print.
  • Cohen R, Jung C, Ouldali N, Sellam A, Batard C, Cahn-Sellem F, Elbez A, Wollner A, Romain O, Corrard F, Aberrane S, Soismier N, Creidy R, Smati-Lafarge M, Launay O, Béchet S, Varon E, Levy C. Assessment of SARS-CoV-2 infection by reverse transcription-PCR and serology in the Paris area: a cross-sectional study. BMJ Paediatr Open. 2020 Dec 29;4(1):e000887. doi: 10.1136/bmjpo-2020-000887. eCollection 2020.
  • Krastinova E, Garrait V, Lecam MT, Coste A, Varon E, Delacroix I, Si Ali A, Jung C, Smati M, Cherbit M, Maître B, Pairon JC, Andujar P. Household transmission and incidence of positive SARS-CoV-2 RT-PCR in symptomatic healthcare workers, clinical course and outcome: a French hospital experience. Occup Environ Med. 2020 Dec 4:oemed-2020-106866. doi: 10.1136/oemed-2020-106866. Online ahead of print.
  • Toubiana J, Levy C, Allali S, Jung C, Leruez-Ville M, Varon E, Bajolle F, Ouldali N, Chareyre J, Béchet S, Elbez A, Casanova JL, Chalumeau M, Cohen R, Cohen JF. Association between SARS-CoV-2 infection and Kawasaki-like multisystem inflammatory syndrome: a retrospective matched case-control study, Paris, France, April to May 2020. Euro Surveill. 2020 Dec;25(48):2001813. doi: 10.2807/1560-7917.ES.2020.25.48.2001813.
  • Vermee Q, Cohen R, Hays C, Varon E, Bonacorsi S, Bechet S, Thollot F, Corrard F, Poyart C, Levy C, Raymond J. Biofilm production by Haemophilus influenzae and Streptococcus pneumoniae isolated from the nasopharynx of children with acute otitis media. BMC Infect Dis. 2019 Jan 11;19(1):44. doi: 10.1186/s12879-018-3657-9.
  • Ouldali N, Levy C, Minodier P, Morin L, Biscardi S, Aurel M, Dubos F, Dommergues MA, Mezgueldi E, Levieux K, Madhi F, Hees L, Craiu I, Gras Le Guen C, Launay E, Zenkhri F, Lorrot M, Gillet Y, Béchet S, Hau I, Martinot A, Varon E, Angoulvant F, Cohen R. Long-term Association of 13-Valent Pneumococcal Conjugate Vaccine Implementation with Rates of Community-Acquired Pneumonia in Children. JAMA Pediatr. 2019 Feb 4. doi: 10.1001/jamapediatrics.2018.5273. [Epub ahead of print].
  • Levy C, Varon E, Ouldali N, Wollner A, Thollot F, Corrard F, Werner A, Béchet S, Bonacorsi S, Cohen R. Bacterial causes of otitis media with spontaneous perforation of the tympanic membrane in the era of 13 valent pneumococcal conjugate vaccine. PLoS One. 2019 Feb 1;14(2):e0211712. doi: 10.1371/journal.pone.0211712. eCollection 2019.
  • Binda F, Fougnot S, De Monchy P, Fagot-Campagna A, Pulcini C, Thilly N ; ANTIBIO-CIBLÉ Scientific Committee. Impact of selective reporting of antibiotic susceptibility test results in urinary tract infections in the outpatient setting: a protocol for a pragmatic, prospective quasi-experimental trial. BMJ Open. 2019 Feb 22;8(11):e025810. doi: 10.1136/bmjopen-2018-025810.
  • Alari A, Cheysson F, Le Fouler L, Lanotte P; Observatoires Régionaux du Pneumocoque network, Varon E, Opatowski L, Guillemot D, Watier L. Association of Pneumococcal Conjugate Vaccine Coverage with Pneumococcal Meningitis: An Analysis of French Administrative Areas, 2001-2016. Am J Epidemiol. 2019 Mar 27. pii: kwz071. doi: 10.1093/aje/kwz071. [Epub ahead of print];
  • Hanquet, G, P Krizova, P Valentiner-Branth, SN Ladhani, JP Nuorti, A Lepoutre, J Mereckiene, M Knol, B A Winje, P Ciruela, M Ordobas, M Guevara, E McDonald, E Morfeldt, J Kozakova, HC Slotved, N K Fry, H Rinta-Kokko, E Varon, M Corcoran, A van der Ende, D F Vestrheim, C Munoz-Almagro, P Latasa, J Castilla, A Smith, B Henriques-Normark, R Whittaker, L Pastore Celentano, C Savulescu, on behalf of The SpIDnet/I-MOVE+ Pneumo Group. Effect of Childhood Pneumococcal Conjugate Vaccination on Invasive Disease in Older Adults of 10 European Countries: Implications for Adult Vaccination. Thorax 2019 May;74(5):473-482.
  • Vincent A, Bonacorsi S, Varon E, Dauger S, Levy M. Serotype 14 pneumococcal bacteremia: From one neonate to another in a pediatric intensive care unit. Infect Control Hosp Epidemiol. 2019 Jun 13:1-2. doi: 10.1017/ice.2019.152.
  • Varon, E, Cohen R. Novel insights into pneumococcal lineages in the vaccine era. Lancet Infect Dis. 2019 Jun 7. pii: S1473-3099(19)30292-0. doi: 10.1016/S1473-3099(19)30292-0.
  • Darmaun L, Levy C, Lagrée M, Béchet S, Varon E, Dessein R, Cohen R, Martinot A, Dubos F; ACTIV-GPIP Study Group. Recurrent Pneumococcal Meningitis in Children: A Multicenter Case-control Study. Pediatr Infect Dis J. 2019 Sep;38(9):881-886. doi: 10.1097/INF.
  • Hoen B, Varon E, de Debroucker T, Fantin B, Grimprel E, Wolff M, Duval X; expert and reviewing group. Management of acute community-acquired bacterial meningitis (excluding newborns). Long version with arguments. Med Mal Infect. 2019 Sep;49(6):405-441. doi: 10.1016/j.medmal.2019.03.009.
  • Levy C, Ouldali N, Caeymaex L, Angoulvant F, Varon E, Cohen R. Diversity of Serotype Replacement After Pneumococcal Conjugate Vaccine Implementation in Europe. J Pediatr. 2019 Oct; 213:252-253.e3. doi: 10.1016/j.jpeds.2019.07.057.
  • Dernoncourt A, El Samad Y, Schmidt J, Emond JP, Gouraud C, Brocard A, El Hamri M, Plassart C, Rousseau F, Salle V, Diouf M, Varon E, Hamdad F. Case studies and literature review of pneumococcal septic arthritis in adults. Emerg Infect Dis. 2019 Oct;25(10). doi: 10.3201/eid2510.181695.
  • Ouldali N, Cohen R, Levy C, Gelbert-Baudino N, Seror E, Corrard F, Vie Le Sage F, Michot AS, Romain O, Bechet S, Bonacorsi S, Angoulvant F, Varon E. Pneumococcal susceptibility to antibiotics in carriage: a 17-year time series analysis of the adaptive evolution of non-vaccine emerging serotypes to a new selective pressure environment. J Antimicrob Chemother. 2019 Oct 1;74(10):3077-3086. doi: 10.1093/jac/dkz281.
  • Danis K, Varon E, Lepoutre A, Janssen C, Forestier E, Epaulard O, N'guyen Y, Labrunie A, Lanotte P, Gravet A, Pelloux I, Chavanet P, Levy-Bruhl D, Ploy MC, Gaillat J; SIIPA Group. factors associated with severe nonmeningitis invasive pneumococcal disease in adults in France. Open Forum Infect Dis. 2019 Nov 30;6(12): ofz510. doi: 10.1093/ofid/ofz510.
  • Dernoncourt A, El Samad Y, Schmidt J, Emond JP, Gouraud C, Brocard A, El Hamri M, Plassart C, Rousseau F, Salle V, Diouf M, Varon E, Hamdad F. Case Studies and Literature Review of Pneumococcal Septic Arthritis in Adults. Emerg Infect Dis. 2019 Oct;25(10). doi: 10.3201/eid2510.181695.
  • Madhi, F, C Levy, L Morin, P Minodier, F Dubos, F Zenkhri, MA Dommergues, E Mezgueldi, K Levieux; Pneumonia Study Group, S Béchet, E Varon, R Cohen; GPIP (Pediatric Infectious Disease Group). Change in Bacterial Causes of Community-Acquired Parapneumonic Effusion and Pleural Empyema in Children 6 Years After 13-Valent Pneumococcal Conjugate Vaccine Implementation. J Pediatric Infect Dis Soc. (2018) https://doi.org/10.1093/jpids/piy103.
  • Robineau, O, J Robert, C Rabaud, JP Bedos, E Varon, Y Péan, R Gauzit, et S Alfandari. Management and Outcome of Bloodstream Infections: A Prospective Survey in 121 French Hospitals (SPA-BACT Survey). Infect Drug Resist 11 (2018): 1359‑68.
  • Domenech de Cellès, M, H Arduin, E Varon, C Souty, PY Boëlle, D Lévy-Bruhl, S van der Werf, et al. Characterizing and Comparing the Seasonality of Influenza-Like Illnesses and Invasive Pneumococcal Diseases Using Seasonal Waveforms. Am J Epidemiol 187 (2018): 1029‑39.
  • Hanquet, G, P Krizova, P Valentiner-Branth, SN Ladhani, JP Nuorti, A Lepoutre, J Mereckiene, M Knol, B A Winje, P Ciruela, M Ordobas, M Guevara, E McDonald, E Morfeldt, J Kozakova, HC Slotved, N K Fry, H Rinta-Kokko, E Varon, M Corcoran, A van der Ende, D F Vestrheim, C Munoz-Almagro, P Latasa, J Castilla, A Smith, B Henriques-Normark, R Whittaker, L Pastore Celentano, C Savulescu, on behalf of The SpIDnet/I-MOVE+ Pneumo Group. Effect of Childhood Pneumococcal Conjugate Vaccination on Invasive Disease in Older Adults of 10 European Countries: Implications for Adult Vaccination. Thorax, 2018. https://doi.org/10.1136/thoraxjnl-2018-211767.
  • Bedos, JP, E Varon, R Porcher, P Asfar, Y Le Tulzo, B Megarbane, A Mathonnet, et al. Host-Pathogen Interactions and Prognosis of Critically Ill Immunocompetent Patients with Pneumococcal Pneumonia: The Nationwide Prospective Observational STREPTOGENE Study. Intensive Care Med 44 (2018): 2162 ‑ 73.
  • Ouldali N, Levy C, Varon E, Bonacorsi S, Béchet S, Cohen R, Angoulvant F, French Pediatric Meningitis Network. Incidence of paediatric pneumococcal meningitis and emergence of new serotypes: a time-series analysis of a 16-year French national survey. Lancet Infect Dis. 2018 Jul 23;
  • Levy C, Vie le Sage F., Varon E., Chalumeau M., Grimprel E., Cohen R. Pediatric Ambulatory and Hospital Networks for Surveillance and Clinical Epidemiology of Community-Acquired Infections. J Pediatr. March 2018, Volume 194, Pages 269–270.e2
  • Rybak A, Levy C, Bonacorsi S, Béchet S, Vié le Sage F, Elbez A, Varon E, Cohen R. Antibiotic Resistance of Potential Otopathogens Isolated From Nasopharyngeal Flora of Children With Acute Otitis Media Before, During and After Pneumococcal Conjugate Vaccines Implementation. Pediatr Infect Dis J. 2018 Mar;37(3):e72-e78.
  • Levy C, Biscardi S, Dommergues MA, Dubos F, Hees L, Levieux K, Aurel M, Minodier P, Zenkhri F, Cohen R; Pneumonia study group. Impact of PCV13 on community-acquired pneumonia by C-reactive protein and procalcitonin levels in children. Vaccine. 2017 Sep 5;35(37):5058-5064. doi: 10.1016/j.vaccine.2017.06.057.
  • Savulescu C, Krizova P, Lepoutre A, Mereckiene J, Vestrheim DF, Ciruela P, Ordobas M, Guevara M, McDonald E, Morfeldt E, Kozakova J, Varon E, Cotter S, Winje BA, Munoz-Almagro C, Garcia L, Castilla J, Smith A, Henriques-Normark B, Celentano LP, Hanquet G; SpIDnet group. Effect of high-valency pneumococcal conjugate vaccines on invasive pneumococcal disease in children in SpIDnet countries: an observational multicentre study. Lancet Respir Med. 2017 Aug;5(8):648-656. doi: 10.1016/S2213-2600(17)30110-8.
  • Arfi A, Cohen R, Varon E, Béchet S, Bonacorsi S, Levy C. Case-control study shows that neonatal pneumococcal meningitis cannot be distinguished from group B Streptococcus cases. Acta Paediatr. 2017 May 16. doi: 10.1111/apa.13919.
  • Hénaff F, Levy C, Cohen R, Picard C, Varon E, Gras Le Guen C, Launay E; French Group of Pediatric Infectious Diseases (GPIP). Risk Factors in Children Older Than 5 Years With Pneumococcal Meningitis: Data From a National Network. Pediatr Infect Dis J. 2017 May;36(5):457-461. doi: 10.1097/INF.0000000000001470.
  • Wintenberger C, Guery B, Bonnet E, Castan B, Cohen R, Diamantis S, Lesprit P, Maulin L, Péan Y, Peju E, Piroth L, Stahl JP, Strady C, Varon E, Vuotto F, Gauzit R; Recommendation Group of the SPILF. Proposal for shorter antibiotic therapies. Med Mal Infect. 2017 Mar;47(2):92-141. doi: 10.1016/j.medmal.2017.01.007.
  • Alari A, Chaussade H, Domenech De Cellès M, Le Fouler L, Varon E, Opatowski L, Guillemot D, Watier L. Impact of pneumococcal conjugate vaccines on pneumococcal meningitis cases in France between 2001 and 2014: a time series analysis. BMC Med. 2016 Dec 21;14(1):211. doi: 10.1186/s12916-016-0755-7.
  • Hays C, Vermee Q, Agathine A, Dupuis A, Varon E, Poyart C, Ploy MC, Raymond J; and the ORP Ile de France Ouest. Demonstration of the herd effect in adults after the implementation of pneumococcal vaccination with PCV13 in children. Eur J Clin Microbiol Infect Dis. 2016 Dec 20. doi: 10.1007/s10096-016-2868-5.
  • Cohen R, Varon E, Béchet S, Bonacorsi S, Levy C. Comparative impact of pneumococcal conjugate vaccines on pneumococcal meningitis according to underlying conditions. Vaccine. 2016 Aug 29. pii: S0264-410X(16)30765-4.
  • Le Bourgeois M, Ferroni A, Leruez-Ville M, Varon E, Thumerelle C, Brémont F, Fayon MJ, Delacourt C, Ligier C, Watier L, Guillemot D; Children, Antibiotics, Nonsteroidal Anti-inflammatory Drugs and Childhood Empyema (ChANCE) Study Group. Nonsteroidal Anti-Inflammatory Drug without Antibiotics for Acute Viral Infection Increases the Empyema Risk in Children: A Matched Case-Control Study. J Pediatr. 2016 Aug;175:47-53.e3.
  • Janoir C, Lepoutre A, Gutmann L, Varon E. Insight Into Resistance Phenotypes of Emergent Non 13-valent Pneumococcal Conjugate Vaccine Type Pneumococci Isolated From Invasive Disease After 13-valent Pneumococcal Conjugate Vaccine Implementation in France. Open Forum Infect Dis. 2016 Feb 2;3(1):ofw020.
  • Lepoutre A, Ploy M, Gaillat J, Forestier E, Sifaoui F, Guinard J, Janssen C, Tellini C, Lévy-Bruhl D, Varon E. Épidémiologie des infections invasives à pneumocoque de l'adulte en France et recommandations vaccinales, résultat de la cohorte Surveillance des infections invasives à pneumocoques (SIIP) de l'adulte. Med Mal Infect. 2016 Jun;46(4 Suppl 1):3.
  • Gaillat J, Varon E, Lanotte P, Lepoutre A, Pelloux I, Epaulard O, Bernard L, Chavanet P, Mootien Y. Surveillance épidémiologique clinico-microbiologique des infections invasives à pneumocoque de l'adulte (SIIPA). Med Mal Infect. 2016 Jun;46(4 Suppl 1):3.
  • Varon, E ; Cohen, R ; Béchet, S ; Doit, C ; Levy, C , Invasive disease potential of pneumococci before and after the 13-valent pneumococcal conjugate vaccine implementation in children., Vaccine, 2015 Nov 17;33(46):6178-85. doi: 10.1016/j.vaccine.2015.10.015.
  • Chidiac, C , SPILF working group, Update on a proper use of systemic fluoroquinolones in adult patients (ciprofloxacin, levofloxacin, moxifloxacin, norfloxacin, ofloxacin, pefloxacin)., Med Mal Infect, 2015, 45 : 348-73.
  • Pulcini C ; Alfandari S ; Ballereau F ; Bonnet E ; Bruneel F ; Castan B et al. , [European Antibiotic Awareness Day: What is new in France?]., Med Mal Infect, 2015, 45 : 345-7.
  • Cohen R ; Varon E ; Doit C ; Schlemmer C ; Romain O ; Thollot et al. , A 13-year survey of pneumococcal nasopharyngeal carriage in children with acute otitis media following PCV7 and PCV13 implementation., Vaccine, 2015, 33 : 5118-26.
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  • Chapoutot AG ; Dessein R ; Guilluy O ; Lagrée M ; Wallet F ; Varon E et al. , Impact of the 13-valent pneumococcal conjugate vaccine on the incidence of pneumococcal meningitis in children., Epidemiol. Infect., 2015, 1-5 [Epub ahead of print]
  • Godot C ; Levy C ; Varon E ; Picard C ; Madhi F ; Cohen R et al. , Pneumococcal Meningitis Vaccine Breakthroughs and Failures After Routine 7-Valent and 13-Valent Pneumococcal Conjugate Vaccination in Children in France., Pediatr. Infect. Dis. J., 2015, 34, e260-3 .
  • Angoulvant F ; Cohen R ; Doit C ; Elbez A ; Werner A ; Béchet S et al. , Trends in antibiotic resistance of Streptococcus pneumoniae and Haemophilus influenzae isolated from nasopharyngeal flora in children with acute otitis media in France before and after 13 valent pneumococcal conjugate vaccine introduction., BMC Infect. Dis., 2015, 15, 236 doi: 10.1186/s12879-015-0978-9.
  • de Cellès M D ; Pons-Salort M ; Varon E ; Vibet MA ; Ligier C ; Letort V et al. , Interaction of Vaccination and Reduction of Antibiotic Use Drives Unexpected Increase of Pneumococcal Meningitis., Sci Rep, 2015, 5, 11293.
  • Maury, E ; Tankovic, J ; Pichereau, C ; Varon, E ; Guidet, B , Immunochromatographic test of pneumococcal antigen performed on cerebrospinal fluid for pneumococcal pneumoniae., Med Mal Infect, 2015, 45, 237-8
  • Kempf M ; Varon E ; Lepoutre A ; Gravet A ; Baraduc R ; Brun M et al. , Decline in antibiotic resistance and changes in the serotype distribution of Streptococcus pneumoniae isolates from children with acute otitis media; a 2001-2011 survey by the French Pneumococcal Network., Clin. Microbiol. Infect., 2015, 21, 35-42
  • Lepoutre A ; Varon E ; Georges S ; Dorléans F ; Janoir C ; Gutmann L et al. , Impact of the pneumococcal conjugate vaccines on invasive pneumococcal disease in France, 2001-2012., Vaccine, 2015, 33, 359-66
  • Mizrahi A ; Cohen R ; Varon E ; Bonacorsi S ; Bechet S ; Poyart C et al. , Non typable-Haemophilus influenzae biofilm formation and acute otitis media., BMC Infect. Dis., 2014, 14, 400
  • Levy C ; Varon E ; Picard C ; Béchet S ; Martinot A ; Bonacorsi S et al. , Trends of pneumococcal meningitis in children after introduction of the 13-valent pneumococcal conjugate vaccine in France., Pediatr. Infect. Dis. J., 2014, 33, 1216-21
  • Levy C ; Varon E ; Taha MK ; Béchet S ; Bonacorsi S ; Cohen R et al. , [Changes in bacterial meningitis in French children resulting from vaccination]., Arch Pediatr, 2014, 21, 736-44
  • Hurmic O ; Grall N ; Al Nakib M ; Poyart C ; Grondin S ; Ploy MC et al. , Evidence of a clonal expansion of Streptococcus pneumoniae serotype 19A in adults as in children assessed by the DiversiLab® system., Eur. J. Clin. Microbiol. Infect. Dis., 2014, 33, 2067-73
  • Gaschignard J ; Levy C ; Chrabieh M ; Boisson B ; Bost-Bru C ; Dauger S et al. , Invasive pneumococcal disease in children can reveal a primary immunodeficiency., Clin. Infect. Dis., 2014, 59, 244-51
  • Janoir C, Cohen R, Levy C, Bingen E, Lepoutre A, Gutmann L, Varon E; Observatoires Régionaux du Pneumocoque (ORP) network. PLoS One. 2014 Mar 6;9(3):e90935. eCollection 2014.
  • Angoulvant F, Levy C, Grimprel E, Varon E, Lorrot M, Biscardi S, Minodier P, Dommergues MA, Hees L, Gillet Y, Craiu I, Zenkhri F, Dubos F, Guen CG, Launay E, Martinot A, Cohen R. Clin Infect Dis. 2014 Apr;58(7):918-24. Epub 2014 Feb 13.
  • Feikin DR, Kagucia EW, Loo JD, Link-Gelles R, Puhan MA, Cherian T, Levine OS, Whitney CG, O'Brien KL, Moore MR; Serotype Replacement Study Group. Serotype-specific changes in invasive pneumococcal disease after pneumococcal conjugate vaccine introduction: a pooled analysis of multiple surveillance sites. PLoS Med. 2013;10(9):e1001517.
  • Caeymaex L, Varon E, Levy C, Béchet S, Derkx V, Desvignes V, Doit C, Cohen R. Characteristics and outcomes of acute otitis media in children carrying Streptococcus pneumoniae or Haemophilus influenzae in their nasopharynx as a single otopathogen after introduction of the heptavalent pneumococcal conjugate vaccine. Pediatr Infect Dis J. 2013 Nov 20. [Epub ahead of print].
  • Opatowski L, Varon E, Dupont C, Temime L, van der Werf S, Gutmann L, Boëlle PY, Watier L, Guillemot D. Assessing pneumococcal meningitis association with viral respiratory infections and antibiotics: insights from statistical and mathematical models. Proc Biol Sci. 2013 Jun 19;280(1764):20130519.
  • Cohen R, Martin E, de La Rocque F, Thollot F, Pecquet S, Werner A, Boucherat M, Varon E, Bingen E, Levy C. Probiotics and Prebiotics in Preventing Episodes of Acute Otitis Media in High-Risk Children: A Randomized, Double-Blind, Placebo-Controlled Study. Pediatr Infect Dis J. 2013 Feb 20.
  • Munier AL, de Lastours V, Varon E, Donay JL, Porcher R, Molina JM. Invasive pneumococcal disease in HIV-infected adults in France from 2000 to 2011: antimicrobial susceptibility and implication of serotypes for vaccination. Infection. 2013 Jun;41(3):663-8.
  • Carlet J, Rambaud C, Pulcini C; l'Alliance contre développement des bactéries multirésistantes (ACdeBMR). [Alliance against MDRO: safeguarding antibiotics]. Ann Fr Anesth Reanim. 2012 Sep;31(9):704-8.
  • Cohen R, Levy C, Bingen E, Bechet S, Derkx V, Werner A, Koskas M, Varon E. Nasopharyngeal carriage of children 6 to 60 months during the implementation of the 13-valent pneumococcal conjugate vaccine. Arch Pediatr. 2012 Oct;19(10):1132-9.
  • Varon E. Epidemiology of Streptococcus pneumoniae. Med Mal Infect. 2012 Aug;42(8):361-5.
  • Grohs P, Trieu-Cuot P, Podglajen I, Grondin S, Firon A, Poyart C, Varon E, Gutmann L. Molecular basis for different levels of tet(M) expression in Streptococcus pneumoniae clinical isolates. Antimicrob Agents Chemother. 2012 Oct;56(10):5040-5.
  • Cohen R, Bingen E, Levy C, Thollot F, Boucherat M, Derkx V, Varon E. Nasopharyngeal flora in children with acute otitis media before and after implementation of 7 valent pneumococcal conjugate vaccine in France. BMC Infect Dis. 2012 Mar 7;12:52.
  • Cohen R, Levy C, Bingen E, Koskas M, Nave I, Varon E. Impact of 13-valent pneumococcal conjugate vaccine on pneumococcal nasopharyngeal carriage in children with acute otitis media. Pediatr Infect Dis J. 2012 Mar;31(3):297-301.
  • Couloigner V, Levy C, François M, Bidet P, Hausdorff WP, Pascal T, Boucherat M, Bingen E, Mariani P, Pierrot S, Bille E, Carbonnelle E, Varon E, Cohen R. Pathogens implicated in acute otitis media failures after 7-valent pneumococcal conjugate vaccine implementation in France: distribution, serotypes, and resistance levels. Pediatr Infect Dis J. 2012 Feb;31(2):154-8.
  • Levy C, Varon E, Bingen E, Aujard Y, Boucherat M, Cohen R et le Groupe des pédiatres et microbiologistes de l'Observatoire National des Méningites. Épidémiologie nouvelle des méningites bactériennes sous l'effet des vaccinations. Arch Pediatr. 2011 ;18:91-93.
  • Domenech de Cellès M, Opatowski L, Salomon J, Varon E, Carbon C, Boëlle PY, Guillemot D. Intrinsic epidemicity of Streptococcus pneumoniae depends on strain serotype and antibiotic susceptibility pattern. Antimicrob Agents Chemother. 2011 Nov;55(11):5255-61.
  • Grohs P, Janoir C, Grondin S, Simon S, Bonnet G, Henry L, Gutmann L, Varon E. Accuracy of MIC determination for Streptococcus pneumoniae using the Sirscan2000automatic MIC determination system. Diagn Microbiol Infect Dis. 2011 Jul;70(3):399-403.
  • Cohen R, Bingen E, Levy C, Benani M, Thollot F, Klink Z, Schlemmer C, Elbez A, Varon E. Antibiotic resistance of pneumococci and H. influenzae isolated from the nasopharyngeal flora of children with acute otitis media between 2006 and 2010. Arch Pediatr. 2011 Aug;18(8):926-31.
  • Cohen R, Levy C, Bonnet E, Thollot F, Boucherat M, Fritzell B, Derkx V, Bingen E, Varon E. Risk factors for serotype 19A carriage after introduction of 7-valent pneumococcal vaccination. BMC Infect Dis. 2011 Apr 18;11:95.
  • Grall N, Hurmic O, Al Nakib M, Longo M, Poyart C, Ploy MC, Varon E, Raymond J; ORP Ile de France Ouest. Epidemiology of Streptococcus pneumoniae in France before introduction of the PCV-13 vaccine. Eur J Clin Microbiol Infect Dis. 2011 Dec;30(12):1511-9.
  • Chavanet P, Atale A, Mahy S, Neuwirth C, Varon E, Dabernat H, Portier H. Nasopharyngeal carriage, antibiotic susceptibility and serotyping of Streptococcus pneumoniae and Haemophilus influenzae in children attending day care centers. Med Mal Infect. 2011 Jun;41(6):307-17.
  • Levy C, Varon E, Bingen E, Lécuyer A, Boucherat M, Cohen R; Bacterial Meningitis Study Group. PneumococcaL meningitis in french children before and after the introduction of pneumococcal conjugate vaccine. Pediatr Infect Dis J. 2011 Feb;30(2):168-70.
  • Kempf M, Baraduc R, Bonnabau H, Brun M, Chabanon G, Chardon H, Croizé J, Demachy MC, Donnio PY, Dupont P, Fosse T, Gibel L, Gravet A, Grignon B, Hadou T, Hamdad F, Joly-Guillou ML, Koeck JL, Maugein J, Péchinot A, Ploy MC, Raymond J, Ros A, Roussel-Delvallez M, Segonds C, Vergnaud M, Vernet-Garnier V, Lepoutre A, Gutmann L, Varon E, Lanotte P. Epidemiology and antimicrobial resistance of Streptococcus pneumoniae in France in 2007: data from the pneumococcus surveillance network. Microb Drug Resist. 2011 Mar;17(1):31-6.
  • Hanquet G, Kissling E, Fenoll A, George R, Lepoutre A, Lernout T, Tarragó D, Varon E, Verhaegen J. Pneumococcal serotypes in children in 4 European countries. Emerg Infect Dis. 2010 Sep;16(9):1428-39.
  • Loulergue P, Burgel PR, Carrat F, Fritzell B, Guthmann JP, Locht C, Power UF, Varon E, Dusser D, Launay O. Report of the 2nd "French Clinical Vaccinology Meeting Jean-Gerard Guillet": immunization and respiratory diseases. Vaccine. 2010 Sep 14;28(40):6551-5.
  • Alexandre C, Dubos F, Courouble C, Pruvost I, Varon E; Hospital Network for Evaluating the Management of Common Childhood Diseases, Martinot A. Rebound in the incidence of pneumococcal meningitis in northern France: effect of serotype replacement. Acta Paediatr. 2010 Nov;99(11):1686-90.
  • Hanquet G, Perrocheau A, Kissling E, Bruhl DL, Tarragó D, Stuart J, Stefanoff P, Heuberger S, Kriz P, Vergison A, de Greeff SC, Amato-Gauci A, Celentano LP; ECDC Country Experts for Pneumococcal Disease. Surveillance of invasive pneumococcal disease in 30 EU countries: Towards a European system? Vaccine. 2010 May 21;28(23):3920-8.
  • Varon E, Mainardi JL, Gutmann L. Streptococcus pneumoniae: still a major pathogen. Clin Microbiol Infect. 2010 May;16(5):401.
  • Opatowski L, Mandel J, Varon E, Boëlle PY, Temime L, Guillemot D. Antibiotic dose impact on resistance selection in the community: a mathematical model of beta-lactams and Streptococcus pneumoniae dynamics. Antimicrob Agents Chemother. 2010 Jun;54(6):2330-7.
  • Doit C, Mariani-Kurkdjian P, Mahjoub-Messai F, Bidet P, Bonacorsi S, Carol A, Varon E, Bingen E. Epidemiology of pediatric community-acquired bloodstream infections in a children hospital in Paris, France, 2001 to 2008. Diagn Microbiol Infect Dis. 2010 Mar;66(3):332-5.
  • Matta M, Kernéis S, Day N, Lescat M, Buu Hoi A, Varon E, Gutmann L, Mainardi JL. Do clinicians consider the results of the BinaxNOW Streptococcus pneumoniae urinary antigen test when adapting antibiotic regimens for pneumonia patients? Clin Microbiol Infect. 2010 Sep;16(9):1389-93.
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