Toxoplasmosis, CerebralEncephalitisPyrimethamineSulfadiazineToxoplasmaToxoplasmosis, AnimalAtovaquoneToxoplasmosisAIDS-Related Opportunistic InfectionsAntiprotozoal AgentsNaphthoquinonesEncephalitis, ViralEncephalitis, JapaneseEncephalitis Virus, JapaneseClindamycinSulfadoxineAntimalarialsSulfanilamidesDapsoneAcquired Immunodeficiency SyndromeTetrahydrofolate DehydrogenaseDrug CombinationsLimbic EncephalitisEncephalitis, ArbovirusEncephalitis Virus, Venezuelan EquineDrug ResistanceEncephalitis, Herpes SimplexProguanilFolic Acid AntagonistsBrainEncephalitis, St. LouisEncephalitis VirusesEncephalitis Virus, St. LouisPlasmodium falciparumChloroquineJapanese Encephalitis VaccinesDihydropteroate SynthaseInterferon-gammaTreatment OutcomeEncephalitis Virus, Eastern EquineMalaria, FalciparumDrug Therapy, CombinationEncephalitis Virus, Western EquineParasitic Sensitivity TestsEncephalomyelitis, Venezuelan EquineSulfaleneAnti-N-Methyl-D-Aspartate Receptor EncephalitisEncephalitis Virus, Murray ValleyEncephalomyelitis, EquineEncephalitis, CaliforniaMalariaDNA, ProtozoanTriazinesAntineoplastic Combined Chemotherapy ProtocolsGangliosidoses, GM2MefloquineArtemisininsDrug Administration ScheduleEncephalitis Viruses, JapaneseFlavivirusSesquiterpenesCombined Modality TherapyCongoTime FactorsSulfamerazineChorioretinitisCameroonCoccidiostatsProspective StudiesFollow-Up StudiesFlavivirus Infections