Ключевые слова: adult, airborne, allergy, bacteria, blue eyes, breath, cap, caucasian, closeup, concept, contamination, corona virus, covid19, disposable, elastic band, epidemic, face, face mask, filter, germs, hand, health, health care concept, health risk, human, infection, influenza, male, man, mask, medical, medical mask, mouth, mouthpiece, nose, outbreak, person, pollution, protect, protection, put on, respiratory, safety, sick, sickness, smog, transmit, virus, wearing, white,