A steady decline in new coronavirus cases in the United States appears to have stalled in recent days, public health officials said, warning that new, more transmissible variants could be taking hold. The number of new infections has started to plateau and remains critically high, with more than 76,000 cases reported Saturday, even as hospitalizations continue to drop. The apparent reversal in the course of the outbreak comes as Johnson & Johnson prepares to begin distributing its one-shot coronavirus vaccine following emergency use approval from the Food and Drug Administration over the weekend. The company will initially supply a limited number of doses, after which it will ramp up production. The hope is that the more flexible vaccine will be easier to deploy in harder-to-reach areas.
Here are some significant developments:
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