With the Environmental Protection Agency’s latest — and strictest — plan to minimize the risk of Americans drinking lead-contaminated water on the horizon, the debate over whether the rules go too far or not nearly far enough is reaching a tipping point.
“The FLiRT variant has specific changes in its spike protein that might make it spread more easily and dodge immunity from past infections or vaccines,” says Dr Malik. “Similarly, the LB.1 variant has mutations that help it spread and possibly weaken the protection we get from previous immunity, making these variants different from earlier versions of the virus.
Test positivity was highest in the Southwest and western U.S. with 15.7% positivity in the region comprised of Arizona, California and Nevada, CDC data showed.
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