According to the China Commentary Agency, the first case of the "AY4.2" variant commonly known as Delta plus was detected in Taiwan. Luo Yijun, deputy head of the medical response team of the epidemic command center, pointed out today that according to the latest virus sequencing results, five cases of overseas migration were detected as Delta variants this week, from Thailand, Malaysia and Arabia, of which case 16479 entered from the United Kingdom, which was the first case of "AY4.2" variant strain in Taiwan. In this case, a British man who received two doses of the BNT vaccine.
According to data provided by the Global Influenza Data Sharing Initiative, 93% of all confirmed cases of infection with "AY.4.2" are currently in the UK, but the world has been found in at least 42 countries and territories around the world, and the World Health Organization (WHO) has also begun to conduct research to understand whether human antibodies are sufficient to resist "AY.4.2".
Luo Yijun said that case 16479 is the first case, is a British male in his fifties, who entered the United Kingdom from a high-risk country on October 22, directly admitted to the centralized quarantine station and collected, the first ct value was 19, the follow-up detection of Delta plus variant strain, the virus sequencing in line with the AY4.2 subphyseal characteristics, the current hospital isolation treatment, temporarily no threat to the community, is asymptomatic.
He said that "AY4.2" is an evolution of the Delta subtype. The variant, first discovered in the UK in July, has a low mutation frequency but continues to increase in speed and infectivity. The 42 countries and regions in the world are mainly the United Kingdom, and There are also relevant reports in Europe and Canada.