Text/Chen Jing

　　On the afternoon of November 30, the Joint Prevention and Control Mechanism of the State Council held a press conference to introduce the situation regarding the further implementation of new coronavirus vaccination.

　　Where is the source of the recent local epidemic in Inner Mongolia?

Will the fifth "concern mutant" Omi Keron surpass Delta?

Does the current vaccine still work?

Look at the latest research and judgments of this conference.

China has prepared vaccine technology reserves for Omi Keron

　　Up to now, more than ten countries around the world have reported confirmed cases of Omi Keron strain.

According to the information currently shared by the new crown virus database GISAID, the number of mutation sites of the new crown virus Omi Keron mutant strain is significantly greater than that of all new crown virus mutant strains that have been circulating in the past two years, especially in the virus spike (Spike) protein mutations. .

　　Xu Wenbo, director of the Institute for Viral Disease Control and Prevention of the Chinese Center for Disease Control and Prevention, said at the meeting that the Omi Keron mutant has three important amino acid mutation sites at the same time, suggesting that Omi Keron has the potential to increase the ability of immune escape, but these mutations It is still unclear whether the superposition of sites will further lead to immune escape.

　　Xu Wenbo said that for the Omi Keron variant, China has already prepared technical reserves of vaccines. Preliminary technical research has been done on inactivated vaccines, protein vaccines, and vector vaccines, including the design of some sequences.

Omi Keron or Delta, who is more poisonous?

　　Qian Zhaohui, a researcher at the Institute of Pathogenic Biology of the Chinese Academy of Medical Sciences, said at the meeting that existing studies have shown that mutations in some sites of the spike protein of the Omi Keron mutant may enhance the binding of the spike protein to ACE2 and further promote the virus. Infection and spread.

　　These are just possible scientific speculations based on related scientific research papers published in the previous period, but whether these mutations will enhance the binding of the spike protein to ACE2 still needs to be further verified through experiments.

　　According to the research data recently reported in South Africa, the transmission rate of Omi Keron mutant strain is indeed very fast, but whether Omi Keron will surpass Delta and become the new major epidemic strain is difficult to judge based on current data, but It deserves great attention.

The number of people in my country who have completed the full vaccination of the new crown vaccine exceeds 1.1 billion

　　The spokesperson of the National Health Commission Mi Feng said that as of November 29, a total of 2.499.813 million doses of new crown virus vaccine had been reported across the country, and the number of people who completed the entire vaccination process exceeded 1.1 billion, reaching 11.10506 million.

　　Zheng Zhongwei, director of the Science and Technology Development Center of the National Health Commission, said that the total number of elderly people over 60 in my country is 264 million, and there are still about 20%. That is to say, there are about 50 million elderly people who have not been vaccinated against the new coronavirus, which is quite The population size of a medium-sized country.

　　Zheng Zhongwei said that if we do not quickly promote the vaccination work for this population of more than 50 million people, once the control is relaxed, the absolute number of severe illnesses and deaths will be unacceptable for us. my country's medical resources will inevitably be severely run on, causing major social problems. .

Therefore, only by comprehensively increasing the vaccination rate of the elderly in my country with the new coronavirus vaccine can it be possible to gain the initiative and time for my country's epidemic prevention and control.

　　According to Cui Gang, the second-level inspector of the CDC of the National Health Commission, according to the deployment of the State Council's joint prevention and control mechanism and the voluntary principle of informed consent, various regions are currently promoting the new crown virus vaccination work for the elderly in a steady and orderly manner.

As of November 29, the number of people over 60 years of age who have been vaccinated against new coronavirus in my country has reached 21.17 million, of which 20.6317,000 have been vaccinated.

A local cluster of epidemics in Inner Mongolia triggered by overseas imports

　　Cui Gang introduced that recently, a local cluster of epidemics occurred in Hulunbuir, Inner Mongolia.

As of 24:00 yesterday, a total of 42 cases of infection have been reported in this epidemic, spreading to 2 provinces and 3 cities.

　　Among them, 39 cases were in Hulunbuir City, Inner Mongolia, 2 cases were in Tongliao City, Inner Mongolia, and 1 case was Qiqihar City, Heilongjiang.

　　The results of viral genome sequencing showed that this epidemic was not related to previous local epidemics, and it was an epidemic caused by a new overseas import source.

　　At present, there have been small clusters of cases in families, residential communities, and schools in Manzhouli City. The community spread of the local epidemic is at high risk, and the investigation of outflow risk personnel is in progress.

　　Source: CCTV News, China News Network