Ключевые слова: air pollution, allergen, allergic, asthma, blue, bouquet, care, caution, coughing, defense, disposable, equipment, face, floral, flower, freshness, gift, holiday, home, inhaling, love, mask, medical, medicine, no people, outbreak, pandemic, peony, pharmacology, pharmacy, pneumonia, pollen, present, prevent, prevention, professional, protect, quarantine, respirator, respiratory, romantic, safety, seasonal, springtime, symbol, text, trend, unhygienic, virus, white,