Serotype Distribution of Clinical Streptococcus pneumoniae Isolates before the Introduction of the 13-Valent Pneumococcal Conjugate Vaccine in Cambodia - CNRS - Centre national de la recherche scientifique Accéder directement au contenu
Article Dans Une Revue American Journal of Tropical Medicine and Hygiene Année : 2018

Serotype Distribution of Clinical Streptococcus pneumoniae Isolates before the Introduction of the 13-Valent Pneumococcal Conjugate Vaccine in Cambodia

Laurence Borand
Sophie Goyet
Bertrand Guillard
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Sok Touch
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Arnaud Tarantola

Résumé

Childhood vaccination with the 13-valent pneumococcal conjugate vaccine (PCV13) was introduced in Cambodia in January 2015. Baseline data regarding circulating serotypes are scarce. All microbiology laboratories in Cambodia were contacted for identification of stored isolates ofStreptococcus pneumoniaefrom clinical specimens taken before the introduction of PCV13. Available isolates were serotyped using a multiplex polymerase chain reaction method. Among 166 identified isolates available for serotyping from patients with pneumococcal disease, 4% were isolated from upper respiratory samples and 80% were from lower respiratory samples, and 16% were invasive isolates. PCV13 serotypes accounted for 60% (95% confidence interval [CI] 52-67) of all isolates; 56% (95% CI 48-64) of noninvasive and 77% (95% CI 57-89) of invasive isolates. Antibiotic resistance was more common among PCV13 serotypes. This study of clinicalS. pneumoniaeisolates supports the potential for high reduction in pneumococcal disease burden and may serve as baseline data for future monitoring ofS. pneumoniaeserotypes circulation after implementation of PCV13 childhood vaccination in Cambodia.
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Dates et versions

pasteur-01739337 , version 1 (20-03-2018)

Identifiants

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Malin Inghammar, Youlet By, Christina Farris, Thong Phe, Laurence Borand, et al.. Serotype Distribution of Clinical Streptococcus pneumoniae Isolates before the Introduction of the 13-Valent Pneumococcal Conjugate Vaccine in Cambodia. American Journal of Tropical Medicine and Hygiene, 2018, 98 (3), pp.791 - 796. ⟨10.4269/ajtmh.17-0692⟩. ⟨pasteur-01739337⟩
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