Abstract
ObjectiveTo determine the incidence of carrier state of Haemophilus influenzae type b, Streptococcus pneumoniae (S. pneumoniae), Streptococcus pyogenes, Neisseria meningitidis and Corynebacterium diphtheriae among school children. MethodsSpecimen from posterior pharyngeal wall and tonsils were collected on calcium alginate coated swabs from 102 participants. Processing of specimen and antimicrobial susceptibility testing was done by standard procedures. ResultsPotential pathogens isolated in our study were S. pneumoniae (14.7%), Staphylococcus aureus (12.7%), Corynebacterium diphtheriae (3.9%), Streptococcus pyogenes (3.9%) and Haemophilus influenzae (1.9%). Important findings in antibiogram include high resistance of S. pneumoniae to penicillin (73%) and resistance of Staphylococcus aureus to oxacillin (23%). ConclusionsPharyngeal colonization by S. pneumoniae among school children was found high and there is need of introduction of pneumococcal vaccines among children. Despite expected universal vaccination, pharyngeal colonization by Corynebacterium diphtheriae is possible and there is possibility of transmission.
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