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The World Health Organization (WHO) said on Monday that it was tracking two new omicron sub-variants.
The agency has added BA.4 and BA.5 downlines to its watchlist.
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According to Reuters, WHO He started tracking the sub-variants because of “other mutations that need further study,” he said.
Only a few dozen cases have been reported GISAID database.
UK Health Security Agency mention Work was underway last week to “precisely define the phylogeny of variants.”
In an April 8 update, the group wrote that BA.4 was found in South Africa, Denmark, Botswana, England and Scotland.
All BA.5 cases are in South Africa, but the Ministry of Health of Botswana will have It said it found four cases of BA.4 and BA.5 in people aged 30 to 50 who were fully vaccinated and had mild symptoms.
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according to data The highly contagious BA.2 variant from the Centers for Disease Control and Prevention (CDC) now accounts for 72.2% of U.S. cases, surpassing BA.1.1, which accounts for 25.3%.
While hospitalizations, cases and deaths in the U.S. have fallen significantly since the initial winter omicron surge, cases have begun to rebound as demand for masks has increased.
Biden administration relies on Congress to approve additional pandemic relief funding, says funding for fourth COVID-19 vaccine is Disappeared.
If the coronavirus situation in the U.S. gets “significantly” worse, U.S. health officials may get back to work and consider things like wearing masks, the White House’s new coronavirus response coordinator, Dr. Ashish Jae, told CBS Morning News on Monday.
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“As we look at summer and fall, we all want to make sure that there are enough vaccines available for people, and we continue to provide treatment for the American people,” he said. “None of this would have been possible without additional funding from Congress. That’s why I’m still very confident that Congress will step up and do their part…but it’s really important that they do.»