輕症轉重症的關鍵是有無足夠的營養；發病後的第七天到第十天是關鍵時刻；如何判斷是否要住院了，要查覺到自己呼吸，可提輕物走二百米看看有沒有困難⋯

No response has been written yet. It is recommended to maintain a healthy skepticism towards it.