COVID updates: Team USA figure skater Vincent Zhou tests positive at Olympics

CDC Director Rochelle Walensky has given the greenlight on full approval for Moderna's vaccine for all adults, which was the last step in the process for the vaccine to move from an emergency use authorization to a permanent approval.

Walensky's ruling came after the CDC's advisory committee voted unanimously Friday to give the Moderna vaccine full approval.

It has been nearly a year since Moderna received emergency use authorization.

-ABC News' Arielle Mitropoulos, Cheyenne Haslett

The U.S. has surpassed 900,000 confirmed COVID-19-related deaths, according to data compiled by Johns Hopkins University.

The death toll currently stands at 900,334.

The U.S. has had over 76 million COVID-19 cases since the pandemic began.

-ABC News' Arielle Mitropoulos

In Oklahoma, where just 9% of ICU beds are available statewide, for health care workers "every day is just filled with nonstop suffering," a nurse told ABC News.

"I just pray I don't have to zip up another body bag, I don't have to call someone and let them know that their loved one's not coming home," Kelly Hale, a nurse at Mercy Hospital Oklahoma City, told ABC News. "We're all just one patient away from an emotional breakdown."

"The majority of our patients are unvaccinated which adds just a whole other level of difficulty for us," Hale said.

She continued, "No one really knows how many tears I shed. Not my family, not my friends. I really want them to know."

"Just please be nice if you know someone in the health care field that's going through this," Hale said. "Just reach out see if they're okay."

-ABC News' Arielle Mitropoulos

The daily death average in the U.S. now stands at more than 2,400 -- the highest daily death average in nearly one year and nearly double the average from one month ago.

But cases are continuing to fall with all but three states reporting declining or plateauing case rates. Washington state is seeing an increase in cases while Maine and Montana are reporting cases at a plateau, according to federal data.

Hospitalizations are also dropping nationwide. About 120,000 COVID-19-positive patients are currently in U.S. hospitals. Fifteen days ago, there were 160,000 patients, according to federal data.

However it's still not clear how many of these patients were admitted to the hospital for COVID-19 and how many people coincidentally tested positive for the virus after they were admitted for other reasons.

Nearly 62 million eligible Americans remain completely unvaccinated. 

-ABC News' Arielle Mitropoulos