The Faculty of Medicine of CUHK published a research report today (1st), pointing out that the third dose of mRNA vaccine for the elderly and people with low immunity, which is currently available in Hong Kong, can significantly reduce the risk of contracting the new coronavirus.
The team compared the efficacy of 7 vaccines and 24 combinations in the world. The results showed that the third dose of the new crown vaccine is particularly important for preventing infection with the new coronavirus variant Omicron. Regardless of the vaccine type of the first two doses, the efficacy of the third dose of the mRNA vaccine is compared with All three injections are the same as the mRNA vaccine.
The findings have been published in the British Medical Journal.
The Faculty of Medicine of CUHK has published a research report and found that three doses of mRNA vaccine, which is currently available in Hong Kong, can significantly reduce the risk of contracting the novel coronavirus for the elderly and those with low immunity.
(file picture)
A total of 53 studies in 38 literature repositories on the CUHK School of Medicine screening platform, covering data from more than 100 million COVID-19 vaccinees in 15 countries, were analyzed
.
The team
studied 7 new crown vaccines in the world, including BioNTech, Moderna, AstraZeneca, CoronaVac, Novavax, Bharat Biotech (Bharat Biotech) and Johnson & Johnson Vaccines (Janssen).
CUHK found that the third dose of Fubitai as the third dose to boost resistance to Omicron has a significant effect, especially for high-risk individuals such as the elderly.
(Photo by Liang Pengwei)
The CUHK team integrated the efficacy of the combination of "same type of vaccine/homologous" and "different type of vaccine/mixture" and found that the third dose of mRNA vaccine had the best effect. Regardless of the vaccine types of the first two doses, the third dose of mRNA vaccine was selected (That is, the Fubitai vaccine currently provided in Hong Kong) has the same efficacy as the three-shot mRNA vaccine.
The Faculty of Medicine of CUHK compared 7 new crown vaccines and 24 vaccine combinations in the world, and found that the third dose of the selected mRNA vaccine had the best effect.
(file picture)
After receiving three doses of the vaccine, regardless of the combination of all vaccines of the same type or a combination of vaccines, the immunity level of the elderly was significantly higher than that of those who received two doses of the same vaccine, and the situation was consistent with other age groups.
In addition, the team found that the third dose of vaccine must be an mRNA vaccine to effectively prevent Omicron infection.
Zhang Baiheng, Assistant Professor of the Department of Chemical Pathology, Faculty of Medicine, CUHK, said that the study evaluates the effectiveness of 24 different COVID-19 vaccine regimens, which will help formulate public health policies, provide clinical advice to patients, and advance research on COVID-19 vaccination.
The study authors are Assistant Professor Zhang Boheng and Master student Au Yongying, Department of Chemical Pathology, Faculty of Medicine, CUHK.
(Provided by CUHK)
epidemic.
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