Ключевые слова: air, allergy, america, around, bacteria, boy, business, care, child, china, clinic, continent, corona, coronavirus, cough, covid19, earth, ecology, epidemic, europe, face, fever, flu, global, globe, head, health, ill, illness, infection, influenza, kid, map, mask, mask globe, medical, medicine, pandemic, patient, planet, prevention, protection, protective, quarantine, safety, sphere, surgical, toxic asia, travel, world,