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End of politics Zero COVID last December in China did not cause the emergence of new variants of the coronavirus, according to a study published Wednesday in the journal Lancet.
China It has registered a surge in infections since lifting strict sanitary measures in early December, raising fears that the world’s most populous country will become fertile ground for new, more contagious or more serious strains of the virus.
Several countries have imposed restrictions on visitors from Chinaciting a lack of transparency about the extent of the epidemic, which angered Beijing.
But according to a study published Lancetconducted by Chinese researchers based on 413 samples Beijing between November 14 and December 20, “there is no evidence of new variants emerging” during this period.
More than 90% of cases were in the BF.7 and BA5.2 omicron sub-options, which have already outperformed the more transmissible sub-options in Western countries.
According to the study, BF.7 accounted for three-quarters of the samples, while more than 15% came from BA5.2.
“Our analysis indicates that two known omicron subvariants were primarily responsible for the outbreak in Beijing and likely throughout China,” he said in a statement. George Gaolead author of the study and virologist at the Institute of Microbiology, Chinese Academy of Sciences.
questions
Wolfgang Preiser and Tongai Maponga, virologists at Stellenbosch University in South Africa who were not involved in the study, cautioned that the study only covered a few weeks after China lifted control measures. Zero COVID.
“If new lines appear during infection, the study will probably be carried out too early to detect them,” they noted in a comment to the publication. Lancet.
China they also drastically cut back on testing, which could have affected the results, which only cover Beijing and not the entire country, they added.
However, they welcomed “critical information from China”. (AFP)
Source: RPP
I’m a passionate and motivated journalist with a focus on world news. My experience spans across various media outlets, including Buna Times where I serve as an author. Over the years, I have become well-versed in researching and reporting on global topics, ranging from international politics to current events.