Biden tours Pfizer plant as weather causes vaccine delays

  • President Joe Biden walks to the Oval Office after traveling to Georgetown University to receive ashes for Ash Wednesday, Wednesday, Feb. 17, 2021, in Washington. (AP Photo/Evan Vucci)

  • President Joe Biden waves from the top of the steps of Air Force One at Andrews Air Force Base, Md., Friday, Feb. 19, 2021. Biden is heading to Michigan to visit a Pfizer vaccine manufacturing plant near Kalamazoo. (AP Photo/Susan Walsh)

WASHINGTON — Extreme winter weather has dealt the first major setback to the Biden administration’s planned swift rollout of coronavirus vaccines, delaying shipment of three days’ worth of shots, or about 6 million doses.