無症狀新冠病毒感染者，仍有跡象可循，可以從腳趾頭（有被凍傷的現象）看得出徵兆，這可以幫助很多人及早得知狀況，及早提防，避免成為無形的病源傳播者

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