PMID(sorted ascending)
differences in nasopharyngeal bacterial carriage in preschool children from different socio-economic origins.clin microbiol infect abstract: a prospective cohort study of preschool healthy children (3-6 years old) from two distinct socio-economic settings in the brussels area, belgium, was conducted during the years 2006-2008. the objectives were to evaluate nasopharyngeal colonization by streptococcus pneumoniae, staphylococcus aureus, moraxella catarrhalis and haemophilus influenzae at the time of pcv7 vaccine introduction and to assess the socio-economic level impact on flora composition and antibio ...201020977542
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