Ключевые слова: abstract, africa, alert, america, asia, australia, background, computer, concept, continent, corona, coronavirus, covid19, danger, dangerous, digital, disease, earth, epidemic, europe, flu, geography, global, graphic, hazard, headline, illness, illustration, infection, information, map, medical, medicine, message, news, outbreak, pandemic, quarantine, radar, risk, satellite, science, technology, title, virus, warning, word, world, zone,