How Does the Coronavirus Variant Spread? Here’s What Scientists Know

A more contagious form of the coronavirus has begun circulating in the United States.

In Britain, where it was first identified, the new variant became the predominant form of the coronavirus in just three months, accelerating that nation’s surge and filling its hospitals. It may do the same in the United States, exacerbating an unrelenting rise in deaths and overwhelming the already strained health care system, experts warned.

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