Veterinary Economics [EE117]; Health Economics [EE118]; Pets and Companion Animals [LL070]; Zoo Animals [LL080]; Animal Husbandry and Production [LL180]; Animal Welfare [LL810]; Prion, Viral, Bacterial and Fungal Pathogens of Animals [LL821]; Social Psychology and Social Anthropology [UU485]; Prion, Viral, Bacterial and Fungal Pathogens of Humans [VV210]; animal production; animal welfare; anthrozoology; coronavirus disease 2019; culling; destruction of animals; disease distribution; disease prevalence; domestic animals; epidemiology; human diseases; livestock; livestock farming; pandemics; pets; quarantine; slaughter; viral diseases; world; zoo animals; man; Severe acute respiratory syndrome coronavirus 2; Homo; Hominidae; primates; mammals; vertebrates; Chordata; animals; eukaryotes; Severe acute respiratory syndrome-related coronavirus; Betacoronavirus; Coronavirinae; Coronaviridae; Nidovirales; positive-sense ssRNA Viruses; ssRNA Viruses; RNA Viruses; viruses; animal rights; pet animals; SARS-CoV-2; slaughtering; viral infections; worldwide