The National Health and Medical Commission announced on February 24 that the number of new crown vaccine doses nationwide exceeded 3.1 billion.
Recently, the sequential booster immunization of the new crown vaccine was launched. Research data show that both homologous booster immunization and sequential booster immunization can further improve the immune effect. Experts call on people who meet the requirements for vaccination to take the initiative to vaccinate and vaccinate as soon as possible.
Xinhua News Agency reporter Xu Penghang (according to Xinhua News Agency)
Source: Tonight News