Ключевые слова: 19, allergy, antiviral, autumn, care, coronavirus, covid, covid19, danger, disease, doctor, environmental, epidemic, face, fall, female, flu, girl, global, health, infected, infection, infectious, mask, medical, medicine, n95, n99, nurse, outdoors, pandemic, park, pollution, prevention, problem, prohibition, protection, protective, quarantine, safety, scientist, spring, student, toxic, virus, walking, warning, woman,