Mechanism of perpetuation of animal viruses in nature.
D000256:Adenoviridae; D000818:Animals; D001103:Arboviruses; D001179:Arthropod Vectors; D001717:Birds; D009033:Culicidae; D004199:Disease Vectors; D004285:Dogs; D000882:Haplorhini; D006564:Herpesviridae; D006736:Horses; D006801:Humans; D051379:Mice; D008954:Models, Biological; D009233:Myxoma virus; D009522:Newcastle disease virus; D010271:Parasites; D011212:Poxviridae; D011817:Rabbits; D011820:Rabies virus; D012412:Rubella virus; D013552:Swine; D012901:Variola virus; D014780:Viruses / Q000254:growth & development* / Q000472:pathogenicity