PharyngitisStreptococcus pyogenesStreptococcal InfectionsPharynxPenicillin VRheumatic FeverPeritonsillar AbscessStomatitis, AphthousPyodermaStreptococcusTonsillectomyLymphadenitisTonsillitisBiosurveillanceAcute DiseaseAnti-Bacterial AgentsStreptococcal VaccinesAntigens, BacterialMilitary FacilitiesImpetigoScarlet FeverPenicillin G BenzathineInappropriate PrescribingRheumatic Heart DiseaseErythromycinBacterial Outer Membrane ProteinsRespiratory Tract Infections