The US CDC said on Tuesday that the Omicron BA.2 sub-version was estimated to account for more than half of the 54.9% of the COVID-19 outbreaks in the United States as of March 26, following a surge in Asia and Europe.
However, health experts said that despite the increase, a new wave of infections is unlikely as overall infections are declining from January’s record high.
As of March 26, the seven-day moving average of US COVID-19 cases stood at 27,895, up nearly 4% from a week earlier.
Last week, Dr. Anthony Fauci, America’s top infectious disease official, said that although he did not expect a big jump, he would not be surprised to see a rise in cases due to the increasing dominance of the BA.2 sub-variant.
Most people in the United States are now considered to be at low COVID transmission, according to new CDC guidelines introduced last month, which emphasized hospital capacity over case counts.
CDC estimates that BA.2 revised up 39%, up from 34.9%, of circulating variants in the country for the week ending March 19, according to a CDC model that estimates the proportion of circulating variants.
CDC has revised its estimates in the past as it gets more data
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