Enlarge this image A third shot of the Moderna vaccine boosts protection across age groups, notably in older adults, the...
Enlarge this image This undated image provided by the United States District Court for the Northern District of California shows...
Enlarge this image Fran Hall paints hearts on a memorial in London dedicated to people who have died from COVID-19....
Enlarge this image EMS medics from the Houston Fire Department prepare to transport a 2-year-old girl to a hospital on...
Enlarge this image An emergency room nurse tends to a patient in a hallway last week at the Houston Methodist...
Enlarge this image People sit under Delta sign at Salt Lake City International Airport on July 1, 2021. Delta Air...
Enlarge this image A nurse fills a syringe with Johnson & Johnson's COVID-19 vaccine at a clinic in Pasadena, Calif.,...
Enlarge this image Disney World has an agreement with its unions that members must get COVID-19 vaccinations by Oct. 22....
Enlarge this image Christine Duval of Bloomfield Township, Mich., won the $2 million grand prize in Michigan's coronavirus vaccination sweepstakes....
Enlarge this image A Palestinian medic administers a dose of the Pfizer-BioNTech COVID vaccine during an inoculation campaign at a...
Enlarge this image A nurse is handed a dose of the Pfizer COVID-19 vaccine before administering it to a college...
Enlarge this image Broward County Schools Interim Superintendent Dr. Vickie L. Cartwright greets students on Aug. 16 at North Lauderdale...