There have been various opinions in society about the third dose of the new crown vaccine.
Xu Shuchang, a government expert consultant and chair professor of the Department of Respiratory System at CUHK, said that a preliminary study by the Faculty of Medicine at CUHK found that at least 80 people who received two doses of Kexing vaccine produced low levels of antibodies one month later.
They will receive the third dose of Coxing or Fubitai vaccine in batches to understand the antibody response.
He expects that preliminary data will be available in October at the earliest, and he believes that by then he can make relevant suggestions for the third injection to the government.
▼On July 29, the community vaccination center will distribute same-day injections to the elderly▼
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Xu Shuchang, a government expert consultant and chair professor of the Department of Respiratory Medicine at CUHK, said that in April this year, 375 people who were vaccinated with Kexing vaccine and 375 people who were vaccinated with Fubitai were recruited.
The team will continue to test antibodies one month, six months, one year, two years, and three years after they complete the two doses of vaccines.
Preliminary research found that in the group vaccinated with Kexing vaccine, one month after the second shot, some people had unsatisfactory levels of neutralizing antibodies.
The team will start a study in the middle of this month. 80 people who have received two doses of Kexing vaccine but have insufficient antibody levels will randomly select 40 people to receive the third dose of Kexing, and the other 40 will be given a single dose of Fubitai vaccine. .
He said that the team will regularly check the antibody level in the future to understand whether the same technology platform or mixed needle injection is more effective than the third injection. The relevant data may be submitted to the government for recommendations.
As for the reasons for insufficient antibody levels, more data analysis is still needed.
Xu Shuchang said that the team will start a study in the middle of this month. 80 people who have received two doses of Kexing vaccine but have insufficient antibody levels will randomly select 40 people to receive the third dose of Kexing, and the other 40 will be given one injection. Thai vaccine.
(Photo by Yu Junliang)
▼See the details of the scheduled vaccination and side effects of Kexing and BioNTech in the three pictures▼
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