Pneumococcal carriage in children during their first two years: important role of family exposure.


BACKGROUND Close family and day-care contacts have been identified as risk factors for pneumococcal (Pnc) carriage. This study addresses the risk of Pnc carriage by infants 2 to 24 months of age in terms of simultaneous carriage of pneumococcus by family members. METHODS Nasopharyngeal swabs were collected from 100 Finnish infants and their family members… (More)


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