Explainer: Do I need to worry about COVID again? New data from scientists and vaccine makers Moderna and Pfizer /BioNTech suggests that a newer, highly mutated variant of the virus that causes COVID-19 is not as alarming as some experts had feared when it was first detected several weeks ago. Deena Beasley,Julie Steenhuysen Reuters

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As of Aug. 30, CDC said the BA.2.86 variant was detected in at least four U.S. states in people or wastewater. Delaware on Tuesday said it had detected a BA.2.86 infection at a hospital. The WHO has reported finding BA.2.86 in at least six countries.

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