Rheumatic Heart DiseaseRheumatic FeverRheumatic DiseasesHeart Valve DiseasesPenicillin G BenzathineNorthern TerritoryStreptococcus pyogenesHeartHeart ValvesPharyngitisHeart DiseasesStreptococcal InfectionsEthnologyInternational Council of NursesMitral Valve StenosisHeart AuscultationHeart Defects, CongenitalCrowdingMitral ValveHeart RateStreptococcal VaccinesEndocarditisMolecular MimicryNew MexicoMyocarditisEchocardiographySudanOceanic Ancestry GroupMitral Valve InsufficiencyAntigens, BacterialHeart Valve ProsthesisEndocarditis, BacterialAtrial FibrillationIndiaUgandaDeveloping CountriesRisk FactorsStreptococcusChronic DiseasePrevalenceSouth AfricaMyocardiumHeart FailureBacterial Outer Membrane ProteinsAcute DiseaseAortic ValveHeart Valve Prosthesis ImplantationCoronary Disease