U.S. panel backs covid boosters only for elderly, high-risk
A health care professional holds a vial of the Moderna covid-19 vaccine on April 7 in Carmarthen, Wales. (JACOB KING/POOL/AFP via Getty Images)
WASHINGTON — An influential federal advisory panel overwhelmingly rejected a plan Friday to give Pfizer covid-19 booster shots to most Americans, but it endorsed the extra shots for those who are 65 o…