A concerning variant is about to become dominant in the US, experts say, and how Americans act could help fuel or curb a surge
Experts are worried some Americans are letting up too early — at a critical time when looming dangers are threatening to wipe out the progress the US has made in its battle against Covid-19. At least a dozen state leaders have eased Covid-19 restrictions this month, often citing improving Covid-19 trends and growing vaccination numbers.
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