打疫苗不必變選美！ 刺胳針：7種COVID-19疫苗都可當加強劑

<img src="https://static.rti.org.tw/assets/thumbnails/2021/07/01/0c181529dd32daea3631aa41b775cab1.jpg" width="360" alt="一份英國研究顯示，各種品牌COVID-19疫苗當做加強劑都可...