Ключевые слова: antibiotic, background, bacteria, biology, breathing, breathing mask, care, clinic, concept, coronavirus, disease, drug, epidemic, face mask, fever, flu, health, health care, hospital, illness, infection, mask, medical, medicine, novel, novel coronavirus, nurse, outbreak, pandemic, pharmaceutical, pharmacy, pill, pneumonia, protection, protective, quarantine, respiratory, science, sickness, syndrome, therapy, vaccine, viral, virus, white,