王毅：中國與11國合作開展疫苗三期臨床試驗

<img src="https://static.rti.org.tw/assets/thumbnails/2019/12/16/ee5da34f3b9ca95391535de92237b4c6.jpg" width="360" alt="中國外交部長王毅(Wang Yi) (路透社/達志影像)"...