Ключевые слова: biohazard, biological, breath, building, care, chemical, contagion, covid, dangerous, disease, doctor, dog, domestic, epidemic, equipment, filter, flu, green, greyhound, health, health care, illness, industrial, infection, isolated, mask, medical, medicine, pandemic, pet, protectanimal, protection, quarantine, respirator, respiratory, risk, saluki, sick, stalker, sterile, surgery, surgical, toxic, vet, veterinary, virus, white,