Biden urges shots for young adults as variant concern grows

President Joe Biden speaks Friday about COVID-19 vaccination shots, in the State Dining Room of the White House. (AP Photo/Evan Vucci)

WASHINGTON — The U.S. government is stepping up efforts to get younger Americans vaccinated for COVID-19 as the White House acknowledges it will miss two key vaccination benchmarks and as concern grows about the spread of a new variant that threatens to set the country back in the months ahead.