Ключевые слова: background, bacteria, blister, blue, breath, care, clinic, coronavirus, cutout, disease, disposable, doctor, dose, epidemic, equipment, filter, flu, health, healthcare, hospital, hygiene, ill, illness, infection, influenza, medical, medicine, message, note, paper, pill, pollution, prevention, protection, respiratory, safety, shape, sick, sickness, sterile, surgery, text, uniform, virus, white,