Expert: Copy BA.5 mutation strain Standardly. Wearing masks is still one of the most effective preventive measures

At the Shanghai outbreak prevention and control press conference held today (10th), in response to whether the BA.5 mutant strains that appeared in Shanghai, whether the mask and vaccination were useful, the expert group of the Shanghai Epidemic Prevention and Control Work Group Expert Group members According to Yuan Zhengan, the main way of spreading the transmission of Omikon BA.5 mutation strains is the main dissemination of droplets. Therefore, citizens still need to keep in mind the "three -piece epidemic prevention" (wearing masks, social distance, personal hygiene) and "protection five" ( The mask also needs to be worn, the social distance is left, the cough and sneezing must be covered, the hands should be washed frequently, and the windows should be opened as much as possible). Among them, the standard wearing a qualified mask is still one of the most effective prevention and control measures.

Yuan Zhengan said that research data at home and abroad show that the spread of mutant strains in BA.5 has accelerated and the immune escape ability has increased. In general, compared with the previously popular Omikon mutant plant BA.2, critical illnesses and mortality rates occurred in the occurrence of critical illnesses and disease mortality rates No significant differences were found in risks. The research results also show that vaccination can still effectively prevent critical illness and death after BA.5 infection.

As the recent epidemic is still progressing, the general public is requested not to gather or tie up. If you go out, you must do a good job of personal protection, and actively cooperate with the requirements for epidemic prevention such as temperature measurement, code testing, and code scanning.

(The reporter Wei Ran, Zhang Qiancheng Yilin)

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