Enlarge this image A Lufthansa flight arrives at Miami International Airport last month. The German airline, along with United and...
Enlarge this image People wait at a street-side testing booth in New York's Times Square on Monday. Ed Jones/AFP via...
Enlarge this image Fans do the wave during a preseason game between the Seattle Seahawks and the Las Vegas Raiders...
Enlarge this image NIH Director Dr. Francis Collins holds up a model of the coronavirus as he testifies before the...
Enlarge this image Secretary of Defense Lloyd Austin speaks during a media briefing at the Pentagon last month. The military...
Enlarge this image A child, with parent in tow, arrives to receive the Pfizer COVID-19 vaccine for children 5 to...
Enlarge this image Doses of the Johnson & Johnson COVID-19 vaccine are stacked in boxes at the McKesson facility in...
Enlarge this image Police stand in front of protesters during a demonstration of Germany's "Querdenker" (Lateral Thinkers) movement in November,...
Enlarge this image The fast spread of omicron has led many wealthy countries to speed up vaccine rollout and widen...
Enlarge this image A person wearing a face covering walks past a white flag memorial installation outside Griffith Observatory honoring...
Enlarge this image An international passenger arrives near a new rapid COVID-19 testing site for arriving international passengers at Los...
Enlarge this image Patients wait to receive a COVID-19 vaccine booster shot at a mobile vaccination station on 59th Street...