健康与医疗系统
新冠肺炎疫情：如果疫苗无效怎么办？
随着冠状病毒继续在世界范围内传播，数十亿人对正在研发的疫苗寄予厚望，希望能够通过疫苗而终结大流行。
随着冠状病毒继续在世界范围内传播，数十亿人对正在研发的疫苗寄予厚望，希望能够通过疫苗而终结大流行。
The curve of the COVID-19 epidemic has been flattened in many countries around the world, and it hasn’t been new antivirals or a vaccine that has done it. We are being saved by non-drug i...
