Poster or brochure of the coronavirus COVID 19 with prevention tips and typical symptoms of the pandemic disease. Look for the other coronavirus resources. This image is related to: coronavirus, poster, flyer, symptoms, prevention, self-isolation, hand wash, gel alcohol, face mask, cough, sneeze, tissue, fever, hygiene, pandemic 冠狀病毒 海報 傳單 How to prevent COVID 19 and its symptoms