Ключевые слова: 2039, 20s, adult, air, caucasian, chemical, coronavirus, covid19, disease, diseases, environment, environmental, epidemic, face, female, flu, health, home, infection, influenza, inside, isolating, isolation, looking, mask, nurse, outbreak, outside, pandemic, pollution, prevention, protect, protection, quarantine, quarantined, s, self, sick, smog, symptoms, toxic, virus, warfare, wearing, window, woman, young,