Ключевые слова: background, bad, biorhythm, blue, business, businessman, care, career, change, city, clinic, clock, covid19, danger, deadline, disease, doctor, end, epidemic, face, health, health care, hospital, infection, late, manager, mask, medical, medicine, nobody, office, outbreak, pandemic, people, person, pressure, prevention, professional, protect, protection, quarantine, road, safety, time, used, virus, work, worker, workplace,