'Double mutant' virus strain detected in the United States

2021-4-6 13:09

A new “double mutant” strain of the coronavirus has been discovered in San Francisco, marking the first time the variant, thought to be behind a surge of cases in India, has been identified in the United States.

The mutation is referred to as a “double mutant” because it carries two mutations that help the virus attach to cells, The San Francisco Chronicle reported. .

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the double mutant