Chinese CENTER for Disease Control and Prevention: homologous immunization enhancement and heterologous immunization enhancement strategies are to improve the level of immunity and protective effect

2022-05-26 0 By

Under the Joint prevention and control mechanism of The State Council, a press conference was held.At the meeting, Wang Huaqing, chief expert of immunization planning of China CDC, introduced that in the real world of Omicron epidemic, the protective effect of three doses of inactivated vaccine was seen compared with two doses of vaccine, not only the immune level was greatly improved, but also research showed that the protective effect increased significantly.At present, heterologous immunization is implemented in China, and some research data show that the increase of antibody titer is higher than that of homologous immunization.The state has established homologous and heterologous strategies for strengthening immunity, both of which are aimed at improving the level of immunity and improving the protective effect.(CCTV News)