Ключевые слова: 2019ncov, allergy, cold, corona virus, coronavirus, covid, covid19, disease, doctor, epidemic, face, face mask, flu, health, health care, healthcare, hospital, hygiene, hygienic, ill, illness, infect, infection, infectious, influenza, mask, medic, medical, medical equipment, medical face mask, medicine, outbreak, pandemic, patient, prevention, protect, protection, quarantine, respirator, safety, sars, sick, sickness, surgical, surgical mask, uniform, virus,