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09-01-2021, 04:45 PM
The variant retreated unexpectedly in Britain and India, but has begun to rebound. The United States may take an even bumpier path, scientists said.
More... (https://www.nytimes.com/2021/09/01/health/covid-delta-us-britain.html)
More... (https://www.nytimes.com/2021/09/01/health/covid-delta-us-britain.html)