Ключевые слова: antibacterial, background, biohazard, biological, chemical, concept, disease, doctor, face, flu, gesture, gloves, hand, hazmat, health, healthcare, hospital, infection, isolated, male, man, mask, medic, medical, medicine, outbreak, pandemic, people, physician, prevention, professional, protection, protective, quarantine, respirator, safety, scientist, stop, suit, surgeon, surgical, uniform, virus, worker,