title: [Problems in viral ecology].
mesh_terms: D000820:Animal Diseases / Q000382:microbiology; D000818:Animals; D000829:Animals, Domestic / Q000382:microbiology; D000835:Animals, Wild / Q000382:microbiology; D001717:Birds / Q000382:microbiology; D002031:Bulgaria; D004463:Ecology; D004783:Environmental Microbiology; D007303:Insect Vectors / Q000382:microbiology; D007313:Insecta / Q000382:microbiology; D018406:Virus Physiological Phenomena; D014780:Viruses / Q000472:pathogenicity
vernacular_title: Problemi v ekologiiata na virusite.