Ключевые слова: 2019, 2019ncov, 2020, 3d, advice, biohazard, clouds, coronavirus, covid, covid2019, danger, dark, deadly, disease, epidemic, fatal, flu, health, health system, healthcare, hubei, infection, information, lung, message, outbreak, pandemic, pneumonia, request, sars, sarscov2, sickness, sign, sky, traffic sign, virus, warning, who, yellow,