Ключевые слова: adult, air pollution, allergy, business, care, corona, coronavirus, coughing, covid19, danger, disease, environment, epidemic, face, fear, fever, filter, flu, global, healthcare, horizontal, human, illness, infection, infectious disease, influenza, lifestyle, looking, male, man, mask, medical, one person, person, photography, pneumonia, pollution, prevention, protection, protective, quarantine, respiratory, risk, safety, sick, smog, social issues, virus, wear, wearing,