Ключевые слова: background, bacteria, care, closeup, concept, contagious, corona, cover, covid19, danger, disease, environment, epidemic, face, fever, flu, grey, healthcare, help, hygiene, illness, infection, inflammation, influenza, male, man, mask, medical, medicine, mouth, outbreak, pandemic, patient, people, person, pneumonia, prevention, protective, quarantine, respiratory, risk, safety, sars, sick, sickness, symptoms, syndrome, virus, warning,