Ключевые слова: adult, air, allergy, antiviral, asia, asian, background, bangkok, beauty, breath, business, care, corona, coronavirus, covid, covid19, disease, dust, epidemic, face, female, flu, girl, headache, health, ill, illness, infection, influenza, mask, medical, medicine, people, person, pm25, pollution, protect, protection, protective, safety, sick, standing, virus, white, woman, work, young,