On March 21, the Joint Prevention and Control Mechanism of the State Council held a press conference. He Qinghua, the first-level inspector of the CDC of the National Health Commission, said that the four vaccines currently on the market in China have been reviewed and approved by the competent government departments and are safe and effective. of.

Since the types of marketed vaccines purchased by provinces and cities may be different, everyone needs to be vaccinated as soon as possible in accordance with the unified arrangement of the province and city.

In addition, with regard to whether vaccines produced by different companies can be superimposed or substituted for vaccination, more research needs to be carried out and clear policy measures are proposed.

  (Producing Li Jiali)

Editor in charge: [Song Fangcan]