Still, the emergence of new variants of the coronavirus is causing some inoculated seniors to return to their routines with caution, which experts say remains warranted as scientists are still studying the vaccine's effectiveness against variance of the coronavirus.
不過,冠狀病毒新變種的出現,還是讓一些接種了疫苗的老人小心翼翼地迴歸日常,專家表示,由於科學家們仍在研究疫苗對冠狀病毒變種的有效性,是以仍有必要。