A Chinese top disease control official In a rare admission, has revealed about the weakness and low effectiveness of the Chinese coronavirus vaccines.
According to the official, their overall effectiveness and Protection rate is low and the Chinese government is considering mixing them to get a boost.
The director of the China Centers for Disease Control, Gao Fu, at a conference Saturday in the south- western city of Chengdu…said
Beijing has distributed hundreds of millions of vaccine doses abroad while trying to Elevate doubt about the total effectiveness of the Pfizer-BioNTech vaccine made using the previously experimental messenger RNA, or mRNA, process.
It’s now under official consideration whether we should use different vaccines from different technical lines for the immunization process,” Gao said.
Officials at a news conference on Sunday didn’t respond directly to questions about Gao’s comment or possible changes in official plans. But another top CDC official said developers are working on mRNA-based vaccines.
Experts opinions reveals that mixing of vaccines, or sequential immunization, might boost effectiveness.
Meanwhile, Scientific researchers in Britain are studying a possible combination of Pfizer-BioNTech and the traditional AstraZeneca vaccine.