Less than a week before schools are set to reopen in Broward County, Fla., local union officials say three educators have died of complications from the coronavirus. None of them were vaccinated.

People with weakened immune systems who already got two doses of the Pfizer or Moderna COVID-19 vaccines can now get a third shot. But exactly who is eligible? Here's what we know so far.

Starting this fall, Canada's government will also require all federal workers to be vaccinated, citing a "dynamic public health situation" due to the COVID-19 pandemic.

Monoclonal antibodies can be used to treat people with mild to moderate COVID-19, but the treatment doesn't work for those who've already developed more severe symptoms or are hospitalized.

Palm Beach County has reported 51 student and faculty COVID-19 infections but the total number asked to quarantine includes their contacts.

The Department of Health and Human Services will require nearly a third of its employees to get the COVID-19 vaccine, while the Department of Veterans Affairs has expanded its vaccination mandate.

Indoor dancing in the German capital's world-renowned club scene has been shut down since early 2020. As an experiment, six clubs opened to patrons who had tested negative for the coronavirus.

Dr. Anthony Fauci, the nation's leading infectious disease expert, tells NPR's Morning Edition "it is so imminent to make sure that we get them boosted so that they would be in a protected zone."

U.S. colleges are counting on high COVID-19 vaccination rates to keep their campuses safe this fall. Many are offering flashy prizes to encourage students and faculty to get their shots.

More than 8,000 people may have been given a fake COVID vaccine in the spring. A nurse is suspected of making the switch.