Ten Florida school districts have adopted mask mandates for students this month.
The United States is facing a COVID-19 surge this summer as the more contagious delta variant spreads.
More than 634,000 Americans have died from COVID-19 while over 4.4 million people have died from the disease worldwide, according to real-time data compiled by the Center for Systems Science and Engineering at Johns Hopkins University.
Just 60.8% of Americans ages 12 and up are fully vaccinated against COVID-19, according to data from the Centers for Disease Control and Prevention.
The number of New Jersey residents hospitalized with COVID-10 has climbed to more than 1,000 for the first time since May 11, Gov. Phil Murphy said Wednesday.
"We've come too far to go backward," the governor tweeted. "Get vaccinated and let's end this."
The Pentagon on Wednesday announced mandatory Pfizer vaccinations, calling it "necessary to protect the safety of our service members and force."
Pentagon press secretary John Kirby said 68% of the active duty force is fully vaccinated and just over 76% have had at least one dose.
Pfizer's COVID-19 vaccine was granted full approval by the FDA on Monday.
-ABC News' Luis Martinez
Delta is raising health insurance premiums for unvaccinated employees by $200 a month to cover COVID-19 costs like potential hospitalization, which the airline says has cost it $40,000 per person on average.
In recent weeks, all Delta employees hospitalized with COVID-19 were not fully vaccinated, Delta CEO Ed Bastian wrote in a memo to employees.
Currently 75% of Delta employees are vaccinated, according to the airline.
The health insurance premium begins Nov. 1.
Unvaccinated employees will also have to wear masks indoors and be required to take a weekly COVID test beginning Sept. 12.
-ABC News' Mina Kaji
Moderna has finalized submission of its application to the Food and Drug Administration for full approval of its COVID-19 vaccine, the company announced Monday.
It's not yet clear how long the FDA will take to review Moderna’s application.
Pfizer completed its vaccine application in May and was granted full approval on Monday.
-ABC News' Eric Strauss
