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Pediatr Infect Dis J. 2012 Jun;31(6):638-40. doi: 10.1097/INF.0b013e31824ba6f7.

When co-colonizing the nasopharynx haemophilus influenzae predominates over Streptococcus pneumoniae except serotype 19A strains to cause acute otitis media.

Author information

1
Center for Infectious Diseases and Immunology, Rochester General Hospital Research Institute, Rochester, NY, USA.

Abstract

Of 368 acute otitis media (AOM) cases among 7-valent pneumococcal conjugate-vaccinated children, 43.5% were colonized by multiple otopathogens in the nasopharynx but only 7.1% experienced polymicrobial AOM. When co-colonization occurred, Haemophilus influenzae predominated over all Streptococcus pneumoniae strains except 19A strains to cause AOM. Haemophilus influenzae and Streptococcus pneumoniae both predominated over Moraxella catarrhalis to cause AOM.

PMID:
22301480
PMCID:
PMC3356506
DOI:
10.1097/INF.0b013e31824ba6f7
[Indexed for MEDLINE]
Free PMC Article

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