Enlarge this image A 6 year-old child holds a sticker she received after getting the Pfizer-BioNTech COVID-19 vaccine at the...
YouTube The first case of the omicron variant of COVID-19 has been identified in the U.S., health officials said on...
Enlarge this image Maria Van Kerkhove, a top World Health Organization official on COVID-19, speaks at a news conference in...
Enlarge this image World Health Organization Director-General Tedros Adhanom Ghebreyesus speaks at the WHO headquarters in Geneva on Oct. 18....
Enlarge this image People step off a tram in Nottingham, England, a city where a case of the omicron variant...
Enlarge this image People line up to get on the Air France flight to Paris at OR Tambo's airport in...
Enlarge this image President Biden speaks to media as he arrives on Air Force One at Andrews Air Force Base,...
Enlarge this image Following the discovery of a new COVID-19 variant, the United Kingdom imposed new restrictions on arriving travelers...
Enlarge this image Travelers walk near an electronic flight notice board displaying canceled flights at O.R. Tambo International Airport in...
Enlarge this image People line up to get on an Air France flight to Paris at OR Tambo's airport in...
Enlarge this image A Disney employee welcomes guests to Walt Disney World Resort on July 11, 2020 in Lake Buena...
Enlarge this image A health care worker administers a third dose of the Pfizer-BioNTech COVID-19 vaccine at a senior living...