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Updated: Jul 18, 2026

Experimental Human Pneumococcal Carriage
Published on: February 15, 2013
Conjugate heptavalent pneumococcal vaccine outcome improvements
George C Balazs1, Francisco J Garcia, Loren G Yamamoto
1Department of Pediatrics, University of Hawai'i, John A. Burns School of Medicine, Honolulu, HI 96813, USA.
Abstract:
Heptavalent conjugate pneumococcal vaccine (PCV7) is now routinely administered to infants. Medical records from a pediatric outpatient clinic were used to identify two study groups: 1) those born between January 1995-May 1997(controls), 2) those born between April 2000--May 2001 (PCV7 group). The PCV7 group showed a lower incidence of otitis media episodes, clinic visits for fever and respiratory symptoms, antibiotic prescriptions, ceftriaxone use, and hospitalizations (singled sided probabilities).
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