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![A syringe is prepared with the Pfizer COVID-19 vaccine at a vaccination clinic at the Keystone First Wellness Center in Chester, Pa.](https://woub.org/wp-content/uploads/2022/07/ap22175701180010_custom-02fbc59ed7947212df826cd5af0080b578bfffe5-scaled-e1657903109176-900x422.jpg)
The omicron subvariant dominating U.S. COVID-19 cases is more vaccine-resistant
By: Ayana Archie | NPR
Posted on:
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