Ключевые слова: 2019ncov, alert, attack, background, cancelled flights, concept, concert, corona virus, coronavirus, country, covid19, disease, economy, epidemic, festival, flag, flu, global, government, health, illness, infect, infection, influenza, mask, measure, medical, music, outbreak, pandemic, pneumonia, protection, quarantine, respiratory, safety, sars, sickness, sign, spread, syndrome, tourism sector, vaccine, viral, virus, world,