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Salud Pública de México

versão impressa ISSN 0036-3634

Resumo

ESPINOSA-DE LOS MONTEROS, Luz Elena et al. Streptococcus pneumoniae isolates in healthy children attending day-care centers in 12 states in Mexico. Salud pública Méx [online]. 2007, vol.49, n.4, pp.249-255. ISSN 0036-3634.

OBJECTIVE: The aim of this study was to determine the prevalence of asymptomatic nasopharyngeal carriage of Streptococcus pneumoniae, which is a major factor in the transmission of this bacterium. MATERIAL AND METHODS: Nasopharyngeal cultures were performed on children attending 32 day-care centers in 12 states in Mexico. RESULTS: Streptococcus pneumoniae was isolated from the nasopharynx of 829 out of 2 777(29.9%) subjects aged two months to six years. All children lived in urban areas and 80% spent more than six hours daily in a day-care center. Streptococcus pneumoniae serotypes most frequently identified were: 19F (23%), 6B (15.6%), 23F (11.2%) and 6A (14.9%). Thirty-six percent of the isolates were susceptible to penicillin. CONCLUSIONS: Serotype distribution suggests the possible benefits that could be obtained from the heptavalent pneumococcal conjugate vaccine.

Palavras-chave : S. pneumoniae; nasopharyngeal carriage; day-care center; Mexico.

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