Ключевые слова: 2, arrow, away, background, bacteria, care, concept, contagion, conversation, corona, covid19, disease, distance, distancing, face, female, friend, health, isolated, keep, medical, pandemic, people, place, prevention, protect, protection, protective, risk, safe, safety, sick, sign, social, space, spread, stay, stop, student, talking, virus, wear, woman,