憂群聚感染 3大醫學會盼大型活動停辦

<img src="https://static.rti.org.tw/assets/thumbnails/2020/02/27/03d0cdcc3d3a1a3fa6b099f4d43edc10.jpg" width="360" alt="憂群聚感染，3大醫學會盼大型活動停辦。...