For months, the FDA has served under the leadership of an acting commissioner, Dr. Janet Woodcock, as President Joe Biden has struggled to find a candidate who can win Senate confirmation.
Mandatory Credit:	JIM WATSON/AFP/Getty Images

For months, the FDA has served under the leadership of an acting commissioner, Dr. Janet Woodcock, as President Joe Biden has struggled to find a candidate who can win Senate confirmation.
Mandatory Credit: JIM WATSON/AFP/Getty Images

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Biden struggles to find a permanent FDA chief as agency nears approval of Covid-19 vaccine

The US Food and Drug Administration is on the cusp of approving the nation's first Covid-19 vaccine without a permanent leader at the helm, and a nomination doesn't appear to be in sight.