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Interview with Shao Yiming, Chief Expert of CDC: China's immune barrier has been established and epidemic prevention and control cannot be relaxed
At 13:37 on October 20, 2021 First Financial Network Author: Qian innocence
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Original Title: Interview with Shao Yiming, Chief Expert of CDC: China's immune barrier has been established and epidemic prevention and control cannot be relaxed
Spreading the epidemic is a general situation in this prevention and control stage, especially after the movement of people during the National Day holiday. Now that the domestic vaccination rate has reached over 80%, you don’t need to worry too much. You need to be active or not anxious, and be nervous and not panic.
Shao Yiming, chief expert and researcher of the Chinese Center for Disease Control and Prevention, said in an exclusive interview with a reporter from China Business News during a public health sub-forum of the Boao Asian Economic Development and Security Forum: "At present, China is still in the normal state of foreign defense imports and internal defense rebounds. At the stage of prevention and control of the epidemic, public health prevention and control strategies and vaccination are two-pronged, and both can be implemented in place."
The reporter asked about the new round of epidemics reported in Gansu, Inner Mongolia and other places recently. Shao Yiming said that although he did not know the specific prevention and control situation, he could see that the local government and public health system responded quickly, and the country also sent experts as soon as possible. Group to assist. He told a reporter from China Business News: “From a macro perspective, the spread of the epidemic is a general situation at this stage of prevention and control, especially after the movement of people during the National Day holiday. Last year, when there was no vaccine, it was possible to quickly control the fluctuation of the epidemic after the National Day. Now that the domestic vaccination rate has reached over 80%, you don’t have to worry too much, you need to be active, don’t worry, and be nervous and don’t panic.”
He also reminded that with the advent of winter in temperate regions, people's activities will gradually move indoors, and the epidemic will rise. "Based on China's effective epidemic prevention and control strategies in the past, coupled with the current immune barrier established by vaccination, China has the ability to better control the spread of the epidemic." Shao Yiming told a reporter from China Business News.
Shao Yiming said that at present, many places in China have started to vaccinate the third dose of booster vaccine for high-risk occupational groups and the elderly with weaker immunity. "The booster vaccination does not mean that the current vaccine is ineffective, but that the antibody level will gradually decline after a period of vaccination. This is the natural law of immunity that all vaccines face." He told China Business News The reporter explained, "After being vaccinated with a booster shot, the antibody level can be significantly increased."
Regarding whether it is necessary to vaccinate a booster vaccine against the new crown Delta mutant strain, Shao Yiming told China Business News that the current data shows that the overall mutation rate of all the new crown virus mutant strains is less than 1%, and the existing vaccine is still effective against the Delta mutant strain. . "But we have prepared a vaccine against the main variants of the new coronavirus. Once needed, we can quickly launch it." Shao Yiming said.
Shao Yiming said that at present, whether it is a foreign mRNA vaccine or a domestic inactivated vaccine, it is very effective in preventing severe cases of new crown infection. Regarding when the domestic mRNA vaccine will be approved, Shao Yiming said: “The approval of the vaccine is mainly based on enough data. Now the speed of domestic vaccine approval is still very fast, as long as the data is enough, it can be approved.”
Recent data from abroad shows that the number of new crown infections in some countries and regions is declining. Does this mean that the virus's infectivity and toxicity have begun to weaken? Shao Yiming believes that the main reason is the immune barrier established after global vaccination. He told a reporter from China Business News: "From the law of past virus evolution, the reduction of toxicity may require a large time scale. In the short term, it will also rely on public health epidemic prevention measures and vaccination."
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