FDA Walks Back Claim of Big Benefit From Covid Therapy
Stephen Hahn, commissioner of food and drugs at the U.S. Food and Drug Administration, center, speaks during a news conference in the White House in Washington D.C., U.S. (Photographer: Stefani Reynolds/Bloomberg)

FDA Walks Back Claim of Big Benefit From Covid Therapy

(Bloomberg) -- The head of the U.S. Food and Drug Administration walked back his claim that an experimental therapy had provided a dramatic benefit to Covid-19 patients, a rare reversal for an agen...
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