The coronavirus vaccine made by Pfizer-BioNTech is much less effective in preventing infection in children ages 5 to…
Researchers showed last year that the elite school inside of lymph nodes where the B cells train, called…
For more than a year, the Centers for Disease Control and Prevention has collected data on hospitalizations for…
“Dr. Califf has refused to distance himself from the F.D.A. decision to abandon vulnerable pregnant women to the…
Some neurosurgeons said that it would be unusual for a typical fall to cause Mr. Saget’s set of…
The agency has long had strict rules about approving drugs that were tested solely overseas, requiring that the…
For weeks, the school principal had been imploring Kemika Cosey: Would she please allow her children, 7 and…
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