Espinosa-de los Monteros LE, Jiménez-Rojas V, Aguilar-Ituarte F, Cashat-Cruz M, Reyes-López A, Rodríguez-Suárez R, Kuri-Morales P, Tapia-Conyer R, Gómez-Barreto D

Language: English
References: 43
Page: 249-255
PDF size: 210.02 Kb.

ABSTRACT

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%). Thirtysix 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.

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