BA.2 version of COVID-19 virus beginning to spread in US; more contagious than omicron

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BA.2 version of COVID-19 virus beginning to spread in US; more contagious than omicron
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The highest prevalence of BA.2 infections is being seen in the Northeast.

the highest prevalence of BA.2 infections is being seen in the Northeast, with 39% of circulating viruses in the New York and New Jersey area being BA.2.

“Although the proportion of infections with BA.2 is increasing in the U.S., COVID-19 cases are now declining, so it is likely that absolute numbers of BA.2 infections are not increasing as quickly as they might seem from just looking at the proportion that are BA.2,” Dr. Deborah Dowell, the CDC’s chief medical officer for the agency’s COVID-19 response, said over the weekend.

suggested that BA.2 is not only more transmissible than the original omicron strain, BA.1, but may cause more severe disease.that it would be locking down Shanghai, with 25 million residents, and Shenzhen, with 11 million residents, because of the sub-lineage of the omicron variant.China has recorded more than 15,000 cases since the start of March, The New York Times reported.

“The epidemic in some areas is surging rapidly, and the risk of spread and spillover in the society is relatively high,” Lei Zhenglong, the deputy director of the National Health Commission’s Bureau of Disease Control and Prevention, said on Tuesday.“Based on available data of transmission, severity, reinfection, diagnostics, therapeutics and impacts of vaccines, the group reinforced that the BA.

“The most likely thing that’s going to happen is that it might extend our tail, meaning it might slow down the decrease in cases. But it’s probably not going to lead to a new wave of cases,”©2022 Cox Media Group

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