Although the<unk>  is endemic in African apes and monkeys, there are extremely high infection rates in captivity, ranging from 70% to 100% in adult animals. As humans are in close proximity to infected individuals, people who have had contact with primates can become infected with<unk> , making<unk>  a zoonotic virus. Its ability to cross over to humans was proven in 2004 by a joint United States and Cameroonian team which found the retrovirus in gorillas, mandrills, and guenons; unexpectedly, they also found it in 10 of 1,100 local Cameroon residents. Of those found infected, the majority are males who had been bitten by a primate. While this only accounts for 1% of the population, this detail alarms some who fear the outbreak of another zoonotic epidemic.<unk>  causes cells to fuse with each other to form syncytia, whereby the cell becomes multi-nucleated and many vacuoles form, giving it a<unk> " appearance.
Simian foamy virus
Oncolytic adenovirus
Yaba monkey tumor virus
Prospect Hill orthohantavirus
Dobrava-Belgrade orthohantavirus
Chapare mammarenavirus
Seoul orthohantavirus
Sin Nombre orthohantavirus