Professions; Practice and Service [CC700]; Veterinary Economics [EE117]; Pets and Companion Animals [LL070]; Animal Health and Hygiene (General) [LL800]; Prion, Viral, Bacterial and Fungal Pathogens of Animals [LL821]; Social Psychology and Social Anthropology [UU485]; Prion, Viral, Bacterial and Fungal Pathogens of Humans [VV210]; accounting; animal health; coronavirus disease 2019; customer relations; human diseases; pandemics; prices; veterinarians; veterinary medicine; veterinary practice; veterinary profession; veterinary services; viral diseases; cats; dogs; man; Severe acute respiratory syndrome coronavirus 2; Felis; Felidae; Fissipeda; carnivores; mammals; vertebrates; Chordata; animals; eukaryotes; Canis; Canidae; Homo; Hominidae; primates; Severe acute respiratory syndrome-related coronavirus; Betacoronavirus; Coronavirinae; Coronaviridae; Nidovirales; positive-sense ssRNA Viruses; ssRNA Viruses; RNA Viruses; viruses; SARS-CoV-2; veterinary surgeons; vets; viral infections