Ключевые слова: banner, care, caution, concept, contamination, corona, coronavirus, covid19, disease, distance, employee, face, flat, flu, health, health care, healthy human, hygienic, illness, illustration, immunization, infection, influence, influenza, male, mask, mask face, medical, medical care, medicine, microorganism, office worker, people, person, pneumonia, prevention, protect, protection, quarantine, risk, sick, social, social distancing, unhealthy, virus, wearing, work, workplace,