Ключевые слова: 19, air, allergy, asian, attention, biohazard, careful, cat, chinese, contagion, coronavirus, covid, covid19, disease, epidemic, face, flu, hazard, health, ill, infection, influenza, mask, medical, outbreak, people, pm 25, pollution, prevention, prohibition, protect, protection, puppy, quarantine, reject, respiratory, risk, safe, secure, sick, sickness, surgical mask, symptoms, syndrome, virus, virus spread, virus strain, woman,