Mississippi urges ‘high-risk’ residents to avoid indoor mass gatherings as Delta variant spreads.
By BY ADEEL HASSAN
World
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The highly contagious Delta strain of the coronavirus became the dominant variant in the United States this week, just as states have lifted most, if not all, pandemic restrictions.
New York Times
Vaccination and Immunization, Coronavirus (2019-nCoV)
July 9, 2021 at 10:08PM