Ключевые слова: alert, biohazard, blurred earth, concept, dangerous, disease, earth, epidemic, fever, flu, globe silhouette, hands, health, heat global, human, illness, infect, infection, influenza, mask, medical mask, medicine, ncov, outbreak, outlines of continents, overheating, pandemic, pathogen, planet, pneumonia, protection, protective, quarantine, respiratory, science, virology, virus, warning, world,