PenicillinsPenicillin GPenicillin VPenicillin ResistancePenicillin G ProcainePenicillin AmidasePenicillin G BenzathineAnti-Bacterial AgentsMicrobial Sensitivity TestsPenicillin-Binding ProteinsStreptococcus pneumoniaePenicillinaseMuramoylpentapeptide CarboxypeptidaseAmpicillinPeptidyl TransferasesHexosyltransferasesPneumococcal InfectionsCephalosporinsStreptococcal InfectionsNeisseria gonorrhoeaeDisabled PersonsDrug HypersensitivityCloxacillinGonorrheaAcremoniumErythromycinDrug Resistance, Microbialbeta-LactamsCeftriaxoneStreptococcusCefotaximePharyngitisCephaloridineSpectinomycinbeta-LactamasesDrug Resistance, BacterialCarbenicillinPenicilliumCephalothinOxacillinGentamicinsUnited StatesLactamsRisk FactorsBacterial ProteinsPrevalenceTonsillitisEndocarditis, BacterialTetracyclineNeurosyphilisStaphylococcusPeptidoglycanProteusSerotypingSyphilisClindamycinPenicillanic AcidStreptomycinProbenecidQuestionnairesAmoxicillinCulture MediaTime FactorsHomeless PersonsChloramphenicolCefuroximeViridans StreptococciDicloxacillinCross-Sectional StudiesBacteriaStreptococcus pyogenesEscherichia coliNeisseria meningitidisStaphylococcus aureusMethicillinIncidenceStreptococcus sanguisPneumonia, PneumococcalHIV InfectionsMacrolidesPhenylacetatesCefiximeMeningitis, PneumococcalPopulation SurveillanceStreptococcus agalactiaeTicarcillinAnti-Infective AgentsSulfadiazineCarboxypeptidasesAspergillus nidulans2-Aminoadipic AcidVancomycinAmidohydrolasesCarrier ProteinsMentally Ill PersonsMentally Disabled PersonsVisually Impaired PersonsEnterococcus faecalisSarcinaCephalexin