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New omicron subvariants now dominant in the U.S., raising fears of a winter surge
By: Rob Stein | NPR
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WASHINGTON, D.C. (NPR) — Two new omicron subvariants have become dominant in the United States, raising fears they could fuel yet another surge of COVID-19 infections, according to estimates released… Read More
The omicron subvariant dominating U.S. COVID-19 cases is more vaccine-resistant
By: Ayana Archie | NPR
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WASHINGTON, D.C. (NPR) — The BA.5 omicron subvariant, which is now the most prevalent coronavirus strain in the United States, is four times more resistant to COVID-19 vaccines, according to… Read More
A more contagious version of omicron spreads in the U.S., fueling worries
By: Rob Stein | NPR
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WASHINGTON, D.C. (NPR) — As the omicron surge continues to decline in the U.S., infectious disease experts are keeping a close eye on an even more contagious version of the… Read More