Rotavirus InfectionsRotavirusRotavirus VaccinesPopulation SurveillanceGastroenteritisSentinel SurveillanceDiarrheaCapsid ProteinsFecesDiarrhea, InfantileAntigens, ViralPublic Health SurveillanceToxins, BiologicalProduct Surveillance, PostmarketingIntussusceptionDisease OutbreaksInfant, NewbornCapsidSeasonsAntibodies, ViralSerotypingViral Nonstructural ProteinsImmunologic SurveillanceIncidenceVaccines, AttenuatedDisease NotificationReoviridae InfectionsUnited States