In the context of the intensifying global new crown epidemic, vaccines are placed on high hopes to completely end the epidemic. In March, China and the United States announced that vaccine research entered the clinical stage almost at the same time, and now there are more than 100 new crown vaccine researches underway around the world.

On April 28, 2020, the results of the latest epidemiological survey led by Professor Teng Weiping was published online in BMJ (WeipingTeng, BMJ. 2020; 369: m997.).

The picture data of the 2019 Global Drug Sales Rankings comes from Top 200 Pharmaceuticals by Retail Salesin 2019, and the copyright belongs to Njardarson Group (The University of Arizona). It is for reference only. Individual sales data may differ due to joint promotion or other problems.