Ключевые слова: airport, biohazard, biohazard symbol, biology, business, business finance and industry, check, city, corporate business, danger, global, group of people, health, health care and medicine, indoors, infectious disease, magnifying glass, measurement, medical, medicine, microbiology, office interior, office worker, paranormal, people, pneumonia, prevention, privacy, professional, protect, quarantine, science, security, sociable, social, staff, surgical mask, surveillance, system, teamwork, viral infection, virus, worker, working, workplace,