Yesterday (25th), the new crown vaccine developed by Chen Wei's team was approved for marketing.

According to the researcher, this vaccine is the only vaccine that can be used for single-dose vaccination among the new coronavirus vaccines currently approved for marketing in the country; good protection can be obtained 14 days after single-dose vaccination, and it can be transported and stored at 2℃-8℃ .

Researchers are racing against time and stepping up follow-up research work.

(CCTV reporter Su Zhou Zhang Zhenwei Qu Jiajia Shao Longfei)