Ключевые слова: allergy, analyzing, background, ball, biohazard, blue, climate change, concept, concern, continent, copy space, coronavirus, covid19, danger, diagnosis, disease, earth, epidemic, examine, genetic, geography, globe, heal, hospital, illness, immunity, infection, infectious disease, influenza, map, mask, medicine, pandemic, people, planet, planet earth, pneumonia, protect, protection, quarantine, risk, science, sickness, symptom, travel, virus, world, world map, worldwide,