Population Snapshot of Streptococcus pneumoniae Serotype 19A Isolates before and after Introduction of Seven-Valent Pneumococcal Vaccination for French Children

Author:

Mahjoub-Messai Farah1,Doit Catherine1,Koeck Jean-Louis2,Billard Typhaine1,Evrard Bénédicte1,Bidet Philippe1,Hubans Christine3,Raymond Josette4,Levy Corinne5,Cohen Robert56,Bingen Edouard16

Affiliation:

1. Service de Microbiologie, Hôpital Robert-Debré (APHP), 75019 Paris, Université Denis Diderot-Paris 7

2. Service de Microbiologie, Hôpital R. Picqué, BP 28, 33998 Bordeaux Armées

3. Génoscreen, 59000 Lille

4. Service de Microbiologie, Hôpital Cochin (APHP), 75005 Paris

5. ACTIV (Association Clinique et Thérapeutique Infantile du Val de Marne), Saint Maur des Fossés

6. The Pediatric Infectious Diseases Group of the French Pediatrics Society, Paris, France

Abstract

Serotype 19A Streptococcus pneumoniae strains are now more frequent in French children than before the introduction of a seven-valent conjugate vaccine (PCV7). By applying multilocus sequence typing to 144 serotype 19A isolates collected before and after beginning PCV7 vaccination, we detected clonal expansion of the preexisting penicillin-intermediate sequence type 276.

Publisher

American Society for Microbiology

Subject

Microbiology (medical)

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