Leanna Arcila, 7, is licked by Watson, a therapy dog with the Pawtucket police department, as she receives her COVID-19 vaccination from Dr. Eugenio Fernandez at Nathanael Greene Elementary School in Pawtucket, R.I., Tuesday, December 7, 2021. Even as the U.S. reaches a COVID-19 milestone of roughly 200 million fully-vaccinated people, infections and hospitalizations are spiking, including in highly-vaccinated pockets of the country like New England. (Photo by David Goldman/AP Photo)

Afghan children play at a brick-making factory on the outskirts of Jalalabad city, eastern Afghanistan on November 13, 2019. (Photo by Reuters/Parwiz)

A lady wearing a mask feeds pigeons in St James' Park, as the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 5, 2020. (Photo by Henry Nicholls/Reuters)

A boy plays with a toy plane on the eve of a solar eclipse, in La Higuera, Coquimbo Region, in the Atacama desert about 580 km north of Santiago, on July 1, 2019. A total solar eclipse will be visible from small parts of Chile and Argentina on July 2. (Photo by Martin Bernetti/AFP Photo)

A boy walks by a model of a dinosaur wearing a face mask, during a partial lockdown to prevent the spread of the coronavirus, at the Museum of Natural History in Brussels, Tuesday, May 19, 2020. Museums are hesitantly starting to reopen as the coronavirus lockdown measures are relaxed, yet experts say that one in eight in the world could potentially face permanent closure because of the pandemic. (Photo by Virginia Mayo/AP Photo)

A crab-eating fox (Cerdocyon thous), also known as the forest fox, wood fox, or maikong, is seen in the wild in the municipality of Guasca, some 50 km from Bogota, on May 16, 2020. (Photo by Diana Sánchez/AFP Photo)

A woman makes use of a still day on Inle Lake in Burma on January 16, 2020 by drying newly-dyed threads made out of lotus stems. (Photo by Sabina Akter/Solent News)

Two copper sharks ride the waves in Red Bluff Beach, Australia on July, 2020. Professional photographer Sean Scott, 43, from Burleigh Heads, Australia, caught the stunning snap. (Photo by Sean Scott/MediaDrumImages/@seanscottphotography)