Ключевые слова: air pollution, allergy, archival, care, clean, coronavirus, coughing, covid19, danger, dust, education, emotion, environment, epidemic, equipment, filtration, fog, health, hospital, human, hygiene, illness prevention, infectious disease, inhaling, medical process, medical supplies, medicine, pandemic illness, poisonous, pollution, protection, protective face mask, respiratory system, safety, shanghai, surgical glove, surgical mask, system, thermometer, unhygienic, virus, white color, woman,