Ключевые слова: adult, adults, arm, avoid, being careful, bump, concept, considerate, coronavirus, couple, covid, covid19, day, disease, elbow, elbow bump, flu, friends, friendship, greet, grey, hands, health, hygiene, illness, infection, lifestyle, march, movement, new, outside, people, person, protection, risk, social distancing, spread, stop, strategy, sweater, tap, touch, touching, two, unidentifiable people, walk,