TheropithecusPapioPapio ursinusPapio anubisPapio hamadryasPapio cynocephalusPapio papioPrimate T-lymphotropic virus 3Animals, ZooSocial DominanceDeltaretrovirus InfectionsSocial BehaviorCercopithecinaePhylogenyRNA, Ribosomal, 16SDNA, RibosomalMolecular Sequence DataHaplorhiniSpecies SpecificityHerpesviridaeSequence Analysis, DNA