Shanghai discovered BA.5 mutant strain

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At the press conference on the prevention and control of the Shanghai New Guan Guan Pneumonia Epidemium held on the afternoon of July 10, Zhao Dandan, deputy director of the Shanghai Municipal Committee of Health and Health The virus infected by the infection of the infection of the report of the report is Omikon BA.5.2.1 mutant strains, which are infected by the overseas entry.

Is it still useful to wear masks and vaccinations?

BA.5 variants have appeared in Shanghai. Is it still useful to wear masks and vaccines? At the press conference, Yuan Zhengan, a member of the expert group of the Shanghai Epidemic Prevention and Control Work Group, introduced that the spread of Omikon BA.5 mutant strains is mainly droplet transmission. , Social distance, personal hygiene) and "protection of five protection" (masks must also be worn, social distance should be left, cough and sneezing should be covered, both hands must be washed, and the windows should be opened as much as possible). Mask is still one of the most effective prevention and control measures.

At the same time, research data at home and abroad show that the spread of the BA.5 variable plant has accelerated and the immune escape ability has increased. However, compared with the previously popular Omikon mutant plant BA.2, the occurrence of critical condition and mortality of the disease occurred 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.

Source: People's Daily Client

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