Abstract:Intravaginal inoculation with pathogenic SIVproduces atypical systemic infectionin most exposed animals andthe rema-ining animals are plasma vRNAnegative and anti-SIVantibody negative.Thusthe animalsfitthe categoryof exposed-un-infected monkeys.However,SIVRNAor DNAcan be detectedinthe tissues of many of these animals,indicatingthatatypical infections occur withconsiderablefrequency afterintravaginal SIVexposure.We pursued anindirect approachtoconfirmthat the exposed-uninfected animals …