Winter weather slows delivery of vaccine doses across US

Vaccinations have been postponed or cancelled in at least 40 states due to weather. In other news, Pfizer announced it is testing its vaccine on pregnant women around the world.
3:11 | 02/19/21

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Transcript for Winter weather slows delivery of vaccine doses across US
This storm delaying tens of thousands of vaccinations in this country. 42 states have canceled vaccinations for a time because of the storms. Tonight, the CDC is also reporting the pandemic is affecting lifeexpectancy. There's also news tonight about a vaccine study, pfizer is now reporting they are testing their vaccine on thousands of pregnant women. ABC's Stephanie Ramos again tonight. Reporter: Tonight, that winter blast slowing the delivery of tens of thousands of vaccine doses across the country. This is a real problem. We've lost a couple of days in terms of vaccine supply. Reporter: From New York City to Massachusetts, the governor asking for federal approval to send the National Guard down south to pick up the vaccine. What we just need to do is make sure that the federal government's going to let the National Guard do this for us. Reporter: Vaccinations postponed or canceled in at least 42 states. We're just going to have to make up for it, as soon as the weather, you know, lifts a bit, the ice mets and we can get the trucks out and get the vaccine Reporter: But with vaccinations grinding to a halt in some places, vaccine trials are full steam ahead. Pfizer announcing it's testing its vaccine on 4,000 pregnant women around the world. Pregnant women are in increased risk for upper respiratory tract infections and some other things, so immunizing them against this terrible virus would be helpful to the mom, as well. Reporter: For now, pregnant women are encouraged to discuss a vaccine with their doctors. So far, about 20,000 pregnant women have received the vaccine without complications. A year into the pandemic, a new measure of its grim toll. The country seeing the steepest drop in life expectancy since World War II, by one full year for whites, nearly two years for Latinos and almost three years for black Americans. And the differential among people of color versus white, again underscores the health disparity. Reporter: And now, new scrutiny of how the pandemic was managed early on. Sources tell ABC news that FBI and federal prosecutors are investigating New York governor Andrew Cuomo's covid task force, focusing on its handling of nursing homes. We were in the midst of dealing with the pandemic and trying to save lives. Reporter: Cuomo has long defended his decision to send hospitalized covid patients back to nursing homes, saying he was just following federal guidance at that time. Covid did not get into the nursing homes by people coming from hospitals. Reporter: A new report found nursing home deaths may have been undercounted by as much as 50%. The governor's top aide also recently admitted his office delayed turning the numbers over to the state. Vivian Zayas' mother died of covid in a New York nursing home. Our seniors deserve justice. And that requires an independent investigation. Reporter: David, covid has become a leading cause of death in the.s. And Dr. Fauci today saying that decrease in life expectancy is directly related to covid. David? All right, step noo Ramos with us again tonight.

This transcript has been automatically generated and may not be 100% accurate.

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