Ключевые слова: bacteria, bacterium, banner, board, card, clinic, close, closed, corona, coronavirus, covid, covid 19, covid19, cure, danger, disaster, disease, doctor, emergency, epidemic, fear, female, filter, flu, hand, health, healthcare, hiding, holds, hospital, hygiene, illness, infection, mask, medical, medicine, pandemic, placard, pollution, prevention, protection, quarantine, respiratory, safety, spreading, surgical, uniform, virus,