Covid Live Updates: U.S. Sets One-Day Record With Nearly Half a Million New Cases

The staggering figure is almost twice as high as the worst days of last winter, although hospitalizations are not rising as fast. A study shows that a booster shot of the Johnson & Johnson vaccine provides strong protection against Omicron.,The staggering figure is almost twice as high as the worst days of last winter, although hospitalizations are not rising as fast. A study shows that a booster shot of the Johnson & Johnson vaccine provides strong protection against Omicron.

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