Ключевые слова: airborne droplet, attention, bacteria, banner, care, cold, disease, droplets, emergency, environment, epidemic, face, ffp2, ffp3, filter, flu, health, health care, hospital, hygiene, infection, influenza, mask, medical, medicine, pain, pandemic, people, pollution, prevention, protect, protection, protective, quarantine, remedy, respirator, respiratory, safe, safety, sarscov2, sneezing, surgical, tract, virus,