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A new dominant omicron strain in the U.S. is driving up cases — and reinfections

By News July 12, 2022 Add Comment Edit

Shoppers walk through a Portland, Ore., farmers market in May. With the BA.5 variant driving case counts, public health experts are encouraging people to take precautions.

BA.5 is now the dominant omicron strain in the U.S. It's good at evading the immune system, though doesn't appear to cause more serious illness.

(Image credit: Leah Nash /The Washington Post via Getty Images)

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