https://www.traditional-worldmedicine.com/prevent-influenza/－中醫預防流感病毒古方 https://www.traditional-worldmedicine.com/3-increase-immunity-herbs/－增強免疫力的中藥 https://www.traditional-worldmedicine.com/2019-ncov/－武漢肺炎病徴與流感，普通感冒的分別！
