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National Health Commission: my country’s existing epidemic prevention and control measures are still effective for Delta, the vaccine still has a good protective effect |
The delta variant is currently the main strain in the global epidemic of new crown pneumonia.In response to the characteristics of the delta mutant strain and whether the existing prevention and control measures are effective, August 5State CouncilAn authoritative answer was given at the press conference on the joint prevention and control mechanism.
He Qinghua, first-level inspector of the National Health Commission’s Disease Control Bureau, introduced at the press conference that the Delta variant was first discovered in the new coronary pneumonia cases reported in India in September 2020. The World Health Organization announced on May 10 this year that the Delta would be delta. The variant strains are included in the new coronavirus variant strains of global concern. The delta mutant strain has been circulating in more than 130 countries and regions and has become the main virus strain of the global new crown pandemic. This strain has the characteristics of fast transmission, fast replication in the body, and long time to turn negative.
Relevant scientific research and epidemic prevention and control practices at home and abroad have shown that the Delta mutant strain has not led to subversive changes in the biological characteristics of the new crown virus. The source of infection and the transmission route are basically clear. The existing epidemic prevention and control measures still affect the Delta mutant strain. efficient. Existing vaccines still have good preventive and protective effects, can reduce the risk of virus transmission in the population, reduce the transmission power of infected persons, and effectively reduce the incidence of severe illness and mortality after infection. Some time ago, for the first time, my country successfully blocked the local epidemic of delta variants that occurred in several cities in Guangdong Province with dense populations and high mobility, which proved that vaccinations, wearing masks, washing hands frequently, maintaining social distancing, and avoiding crowds Measures such as gathering are effective.
(CCTV reporter Shi Yingchun and Gu Xiaoci)
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