COVID-19 XBB subvariants predominant in China, pathogenicity unchanged: expert
People's Daily Online
(Xinhua) 10:42, May 09, 2023
BEIJING, May 8 (Xinhua) -- The XBB subvariants of Omicron are now the predominant COVID-19 strains in China, and no significant change in pathogenicity has been observed, a virology expert said Monday.
The prevalence of XBB subvariants in China surged from 0.2 percent in mid-February to 74.4 percent in late April, said Chen Cao, a research fellow at the National Institute for Viral Disease Control and Prevention under the Chinese Center for Disease Control and Prevention, at a press conference.
Of the imported COVID-19 cases, as many as 97.5 percent recorded in late April were XBB subvariants, basically consistent with the global prevalence, Chen said.
Chen said China had established a COVID-19 monitoring and warning system covering key hospitals and locations, fever clinics and urban sewage, adding that citizens should maintain good hygiene habits and respond rationally to the epidemic.
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