Extreme Winter Weather Creates Backlog Of 6 Million Vaccine Doses

White House officials on Friday confirmed the extent of the weather's chilling effect on COVID-19 vaccine distribution, saying this week's storms created a backlog of some 6 million doses affecting all 50 states.

That number represents three days' worth of delayed shipments, said Andy Slavitt, senior adviser on the White House COVID-19 Response Team. He added that many states have been able to cover some of the delay with their existing inventory, and that the Biden administration expects to make up the backlog shortly.

"If we all work together, from...