Prognosis

U.K. Expands Covid-19 Booster Program to Younger People

  • Those aged 40 to 49 will be offered Pfizer or Moderna booster
  • Second Pfizer shot to be made available for 16-, 17-year-olds
Photographer: Jason Alden/Bloomberg
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The U.K. is expanding its Covid-19 booster program to younger people as the country seeks to head off another wave of infections this winter.

A third vaccine dose will be available to people aged 40 to 49 starting six months after their second shot, the government said Monday. Previously, only those over 50 and other vulnerable groups were eligible. So far, more than 12 million people have received a booster.