Delta變異株又進化！韓國首現2例「Delta+」確診病例

<img src="https://static.rti.org.tw/assets/thumbnails/2020/12/25/c190873a65d1d51b7efc62e2624595b3.jpg" width="360" alt="韓國公布首度發現2例傳染性更強的Delta+變異株。...