China has reported in many places in China, a local epidemic caused by the branch of Omikon BA.5 Asian. Disease control experts said that the pathogenic force of this sub -branch has not changed significantly.
According to Xinhua News Agency, recently, the branches of Omikon BA.4 and BA.5 Asia have become the main popular strains in South Africa, Portugal and other countries.The report is caused by the local epidemic caused by the BA.5 Asian branch.Dong Xiaoping, chief expert of the China Centers for Disease Control and Prevention, said in an interview with a reporter that the current data shows that the spread of BA.4 and BA.5 Asian branches has increased significantly, but the pathogenic force has not changed significantly compared with other Omikonia branches.The ninth edition of the prevention and control scheme is still applicable.
"BA.4 and BA.5 Asian branches have a significant shortening period. In the absence of or few public health measures intervention, the basic infection (R0) of the virus transmission situation is very high.The world brings great pressure. "Dong Xiaoping introduced, but in general, compared with other Omikonia branches, its pathogenic force has not increased or weakened significantly, and it is still large to the elderly and basic patients.threaten.
Dong Xiaoping said that the ninth edition of China's prevention and control plan refers to the higher position of the virus monitoring, reflects the layered nucleic acid screening scheme, encrypted the frequency of nucleic acid detection in risk -up career, and increases antigenic detectionAs a supplementary method for epidemic monitoring."These measures in the ninth edition of the prevention and control scheme are effective for BA.4 and BA.5 Asian branches."
Dong Xiaoping said, BA.4 and BA.5 sub -sub -sub -branches of immunization escape escapesCapability is enhanced, but vaccination is still effective for preventing severe illnesses and death, and the effect of preventing infection needs to be observed with greater data.He called for people who met the conditions for vaccination to complete the whole process and strengthen immunity as soon as possible.
Regarding the problem of whether the people who have previously been infected with crown disease will be infected with the mutant strain of Omircong again, Dong Xiaoping said that there is still a possibility of being infected by the mutant strain of Omikon, but it will not be compared to theOther people are more susceptible to infection or more serious clinical results.
"We can't despise BA.4 and BA.5 Asian branches, but don't have to panic." Dong Xiaoping said.
