Ключевые слова: 2019ncov, background, biohazard, business, corona, covid19, crisis, crowd, dangerous, disease, doctor, economy, epidemic, europe, fall, fever, flag, flu, global, health, ill, illness, infect, infection, influenza, italian, italy, loss, mask, medical, medicine, outbreak, pandemia, people, pneumonia, protection, quarantine, recession, respiratory, risk, safety, sick, sickness, treatment, vaccine, virus, warning, world,