Ключевые слова: air, airborne viruses, background black, bacteria, bacterium, beware of germs getting, black, black background, causative agents, clean, contact, copy space, cough, disease, disinfection, doctor, droplet infection, epidemic, flu, germs, gloves, hand, hand washing, handshake, hygiene, hygiene management, infection, infectious disease, inspection, mask, medical, microorganisms, palm, pathogenic bacteria, prevention, sneezing, spray, sterilization, toilet, virus, wash, water, wog,