PharyngitisStreptococcus pyogenesStreptococcal InfectionsPharynxPenicillin VRheumatic FeverPeritonsillar AbscessPyodermaStomatitis, AphthousStreptococcusTonsillectomyLymphadenitisTonsillitisBiosurveillanceStreptococcal VaccinesAnti-Bacterial AgentsAcute DiseaseAntigens, BacterialMilitary FacilitiesImpetigoScarlet FeverPenicillin G BenzathineInappropriate PrescribingRheumatic Heart DiseaseBacterial Outer Membrane ProteinsErythromycin