The BA.2 subvariant of the omicron variant of the coronavirus was responsible for more than a third of the Covid-19 cases in the United States in the week ending March 19, according to an estimate from the CDC. Diseases) released this Tuesday (22).
Despite the resurgence of Covid in parts of Asia and Europe because of the BA.2 subvariant, which raised concerns at the time, Covid infections in the United States have fallen sharply since reaching record levels in January.
Some experts warned that the higher levels of the omicron subvariant coincided with the end of most pandemic restrictions in the United States, which could be a harbinger of a new wave.
Most of the country is considered to have low levels of Covid transmission, following new CDC guidance applied last month that emphasizes hospital capacity and that most Americans no longer need to wear masks.
As of March 19, the weekly moving average of Covid cases in the US was 27,747, down 18% from the previous week.
Top US infectious disease expert Anthony Fauci said on Sunday that the country is likely to see an increase in cases, as has been recorded in Europe, especially the UK.
“They have BA.2. They have a loosening of some of the restrictions, like wearing masks indoors, and there’s a drop in immunity,” Fauci explained.
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