Ключевые слова: adult, bacillus, background, care, caucasian, color, danger, dangerous, defense, disease, disposable, dust, epidemic, equipment, escalator, face, filter, germ, health, hygiene, illness, indoors, infection, influenza, lifestyle, male, mall, man, mask, medical, medicine, pandemic, panic, people, prevention, protect, protection, protective, public, safety, security, sick, sickness, virus, wear, wearing,