The State Council joint prevention and control mechanism: The research and development of Omikon's mutation plant vaccine is steadily promoting

Zhongxin Jingwei, July 23rd, on the 23rd, the State Council's joint prevention and control mechanism held a press conference on the relevant conditions of the safety effectiveness of the new crown virus vaccine. The research and development of mutant plants is steadily promoting.

At the meeting, a reporter asked that since the epidemic occurred, the new coronary virus has been mutated. Is the existing vaccine still valid for Omikon's mutant strains? What is the progress of my country's research and development of Omikon's mutation vaccine? According to the current situation, does it mean that in the future, it will continue to vaccine?

Feng Zijian said that compared with the previous mutant strains, Omikon's mutant strains are indeed relatively large, and the immune escape ability is relatively strong. It must have an impact. But immune protection not only depends on neutralized antibodies, but also related to cellular immunity and immune memory. Therefore, the results of many studies show that the effects of existing vaccines at home and abroad still maintain a high level. my country's vaccine still has a good protective effect on the severe disease and death caused by the mutant strains of Omikon, and strengthening immunity can further reduce the risk of hospitalization, severe and death.

Feng Zijian pointed out that the real world research on the prevention effect of domestic vaccines in Hong Kong and the Mainland showed that the effect of vaccination with the protection of severe and death is still good. A study by the University of Hong Kong shows that the elderly over 60 years of age to complete the two doses of domestic excessive vaccines are 69.9%of the protection of severe illnesses and deaths. After completing the third pins, 97.9%.

At the same time, the China Center for Disease Control and Prevention has analyzed the history data of vaccination history of Omikon mutant infection in the Mainland in March to June this year. For the 18-59-year-old infection who completed the full vaccination and enhanced inoculation, The risk of developing from asymptomatic infections, minor, and general types to severe illnesses is reduced by 91%and 94%respectively. For those who are infected with a full vaccination and enhanced vaccination, the risk developed from ordinary and below to severe illnesses is less than vaccinated vaccine than vaccination. Infected people were reduced by 89%and 95%, respectively.

Regarding the vaccine research and development of the mutant strains, Feng Zijian introduced that from December 26, 2021, the State Council ’s joint defense and control mechanism science and technology group vaccine group listed Omikon mutant strains as a mutant strain. That is, organize experts to study and judge and work to deploy R & D work. At present, a number of technical routes have developed the development of unit prices and multi -price Omikon variants. The fast -moving unit price of Omikon variants has been approved by clinical trials and is conducting clinical trials in Zhejiang, Hunan, Hong Kong and other places. The rapid progress of the tetraonal restructuring protein vaccine has been approved by the Phase III clinical trial of the UAE, and related research has been launched. Many other unit -prices, multi -price containing Omiro Rong mutant live vaccines, reorganized protein vaccines, adenovirus vector vaccines, and MRNA vaccines are also conducting pre -clinical research. Essence In addition, the special class also deployed the research on the new -spectrum vaccine, and the rapid progress of vaccine has been approved by clinical trials and launched related research.

Feng Zijian pointed out that in general, the research and development of Omikon's mutant plant vaccine in China is steadily promoting. As long as there is a need, in accordance with relevant regulations, the emergency approval procedure can be quickly launched to provide vaccination. As for whether it is necessary to vaccinate and when to vaccinate the Vaccine containing Omircor's mutant strains, this problem is not only in my country, but also internationally study. It is mainly to study the situation of virus mutations and immune escape. (Zhongxin Jingwei APP)

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