rotavirus vaccine implementation and to assess direct and indirect effectiveness of
vaccination. METHODS: Retrospective cohort analysis of claims data of commercially
insured US children aged< 5 years. We examined annual pentavalent (RV5) and
monovalent (RV1) rotavirus vaccine coverage. We compared rates of diarrhea-associated
health care utilization in prevaccine (2001–2006) versus postvaccine introduction (2007 …