Caprine arthritis encephalitis virus license to practice medicine in the United States. He told Sheen to stop taking his anti-retroviral medications, despite the dangers. Chachoua illegally administered his own treatment, which included goat's milk from an area in Mexico where many goats are infected with CAEV. Chachoua claimed that Sheen's therapeutic side effects disappeared after he administered his "alternative" therapy, and that Sheen became "HIV-negative". Later tests found that Sheen was still HIV-positive. Caprine arthritis encephalitis virus Caprine arthritis encephalitis virus (CAEV) is a retrovirus which infects goats and cross-reacts immunologically with HIV, due to being from the same family of viruses. CAEV cannot
Tsaidamotherium Tsaidamotherium Tsaidamotherium is an extinct genus of Late Miocene ovibovinid caprine from the Tibetan Plateau of Northwestern China. Both known species are extremely unusual in that the horns are of unequal sizes: the left horn core is several times smaller than the right horn core. The closest living relative of "Tsaidamotherium" is probably the Muskox, "Ovibos moschatus". The generic name refers to the Qaidam Basin, the region where the holotype of the type species, "T. hedini" was found. The specific name "hedini" honors Dr Sven Hedin. The specific name "brevirostrum" refers to the short muzzle of "T. brevirostrum"'s holotype skull.