Covid Live Updates: F.D.A. Is Said to Be Near Allowing Boosters for 12- to 15-Year-Olds

The U.S. set a one-day record of nearly half a million cases, a staggering figure, 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 U.S. set a one-day record of nearly half a million cases, a staggering figure, 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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