Ключевые слова: background, bacteria, camera, city, dangerous, disease, disinfectant, disinfection, epidemic, fight, flu, glasses, hazard, health, healthcare, hygiene, looking, man, medical, outbreak, outdoor, pandemic, park, pneumonia, portrait, precaution, prevent, prevention, preventive, protection, protective, public, quarantine, respirator, respiratory, sanitize, sterilize, street, suit, tree, virologist, virus, white, worker,