Ключевые слова: alcohol, america, american, background, blue, breath, care, cleaning, concept, coronavirus, covid, covid19, defense, disease, disposable, doctor, face, flag, flu, freedom, gel, health, healthcare, hospital, hygiene, influenza, mask, medical, medicine, mouth, national, pm25, pollution, protect, protection, respirator, safety, sick, states, surgical, united, us, usa, virus, wear,