In this undated photo provided by Charlotte Crawford is Henry Royce Crawford, who died of COVID-19 in Texas while waiting to receive a vaccine against the coronavirus that causes the illness. More than 247,000 people have died of COVID-19 in the U.S. since vaccines first became available in mid-December 2020. While it's unknown how many of them wanted to be immunized, families have wrenching stories of loved ones being infected after months of staying safe and then dying before they could get a dose. (Charlotte Crawford via AP)

In this undated selfie photo provided by Charlotte Crawford is Natalia Crawford, who died of COVID-19 in Texas before she had a chance to receive a vaccine against the coronavirus that causes the illness. More than 247,000 people have died of COVID-19 in the U.S. since vaccines first became available in mid-December 2020. While it's unknown how many of them wanted to be immunized, families have wrenching stories of loved ones being infected after months of staying safe and then dying before they could get a dose. (Natalia Crawford via AP)

In this undated photo provided by Laura Brown, is Air Force veteran Diane Drewes who died of COVID-19 in Ohio, while waiting to receive a vaccine against the coronavirus that causes the illness. More than 247,000 people have died of COVID-19 in the U.S. since vaccines first became available in mid-Dec. 2020. While it's unknown how many of them wanted to be immunized, families have wrenching stories of loved ones being infected after months of staying safe and then dying before they could get a dose. (Laura Brown via AP)

In this undated photo provided by Charlotte Crawford is Henry Royce "Roycie" Crawford Jr., who died of COVID-19 in Texas, before he had a chance to receive a vaccine against the coronavirus that causes the illness. More than 247,000 people have died of COVID-19 in the U.S. since vaccines first became available in mid-December 2020. While it's unknown how many of them wanted to be immunized, families have wrenching stories of loved ones being infected after months of staying safe and then dying before they could get a dose. (Charlotte Crawford via AP)

In this undated photo is Julie Rasmussen and her father Richard Rasmussen, who died of COVID-19 in Las Vegas while waiting to receive a second dose of the vaccine against the coronavirus that causes the illness. More than 247,000 people have died of COVID-19 in the U.S. since vaccines first became available in mid-December 2020. While it's unknown how many of them wanted to be immunized, families have wrenching stories of loved ones being infected after months of staying safe and then dying before they could get a dose.(AP Photo/Julie Rasmussen)