*Symptoms and host range: The virus' hosts are found in the orders Primates (humans, apes and monkeys), Carnivora (cats, dogs and other carnivores), Perissodactyla and Artiodactyla (single and double-toed hooved mammals). *Transmission: Transmitted by means not involving a vector. *Geographic distribution: Worldwide.
Lentivirus
Passenger virus
Oncophage
Flavivirus
Oncolytic virus
Coronavirus
Coronavirus 
Arbovirus