Despite the U.S. vaccine rollout improving significantly, the daily number of confirmed COVID-19 cases is on the rise yet again after dropping precipitously from January highs.
The latest 7-day moving average of confirmed cases was at 60,425 on March 27, and the U.S. is continuing to see an average of roughly 50,000 new cases a day.
And according to Dr. Calvin Sun, an NYC-based emergency medicine physician, there are three main factors driving this recent uptick: the virus mutating, the
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