Ключевые слова: atmosphere, care, celsius, changes, climate, cold, concept, corona, covid19, danger, deadly, disease, earth, ecology, environment, environmental, epidemic, fahrenheit, fever, flu, global, globe, health, indicator, infection, mask, measurement, medical, outbreak, pandemic, pill, planet, prevent, protection, quarantine, respiratory, safety, shrynge, space, spread, stop, surface, temperature, treatment, viral, virus, warming, warning, world,