Ключевые слова: adult, awareness, background, bacteria, black, body, caucasian, chemical, clean, clothing, danger, diagnosis, disease, epidemic, equipment, gas, health, illness, infection, male, man, mask, medical, microbiology, person, prevention, protect, protection, protective, quarantine, radiation, rescuer, research, respirator, risk, safety, scientist, sickness, suit, uniform, viral, virologist, virus, wear, wearing, yellow,