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Paper Information

Journal:   IRANIAN JOURNAL OF PUBLIC HEALTH   AUGUST 2014 , Volume 43 , Number SUPPLEMENT 2; Page(s) 72 To 72.
 
Paper: 

A SURVEY ON OROPHARYNGEAL COLONIZATION BY NEISSERIA LACTAMICA, OTHER NONPATHOGENIC NEISSERIA SPECIES AND MORAXELLA CATARRHALIS IN HEALTHY YOUNG CHILDREN IN AHVAZ, IRAN

 
 
Author(s):  SHEIKHI RAHELEH, AMIN MANSOUR
 
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Abstract: 

Background: Neisseria lactamica as a main commensal in oropharynx during the childhood is related to the induction of a natural immunity against meningococcal meningitis. Also Moraxella catarrhalis in oropharynx of children is a predisposing factor for otitis media infection. This study was aimed to investigate the frequency of the Neisseria lactamica, other nonpathogenic Neisseria spp. and M. catarrhalis in the oropharynx of healthy young children in Ahvaz, Iran by the two phenotypic tests and Polymerase chain reaction (PCR).
Methods: A total of 192 oropharyngeal swab samples of the healthy young children were studied during four months. Swabs were plated onto enriched selective media and nonselective media. Gram-negative, oxidase-positive diplococcic isolates were identified by several conventional biochemical tests. The PCR and sequencing were used for confirming the accuracy of laboratory diagnosis in identifying N. lactamica and M. catarrhalis.
Results: Totally we identified 192 healthy young children with the mean age of 5.93±2.5903: N. lactamica (21.9%) in the aged 1-9 years; N. mucosa (6.3%); N. sicca (7.8%); N. cinerea (1.6%); N. subflava (biovar subflava) (4.2%); N. subflava (biovar perflava) (28.1%) ; N. subflava (biovar flava) (7.3%) and M. catarrhalis (42.7%).
Conclusion: It was the first screening report of the healthy young children by colonization of N. lactamica and other nonpathogenic Neisseria spp. in oropharynx in Ahvaz, Iran.

 
Keyword(s): NEISSERIA LACTAMICA, MORAXELLA CATARRHALIS, COLONIZATION, CHILDREN
 
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