Medic James E. Callahan of Pittsfield, Mass., gives mouth-to-mouth resuscitation to a dying soldier in war zone D, about 50 miles northeast of Saigon, June 17, 1967. Thirty-one men of the 1st Infantry Division were reported killed in the guerrilla ambush, with more than 100 wounded. (Photo by Henri Huet/AP Photo)

A displaced Palestinian plays on a swing at the beach, amid the ongoing conflict between Israel and the Palestinian Islamist group Hamas, in Rafah in the southern Gaza Strip on January 31, 2024. (Photo by Mohammed Salem/Reuters)

China's Shang Chunsong prepares to compete in the uneven bars event of the women's individual all-around final artistic gymnastics competition at the Namdong Gymnasium Club during the 17th Asian Games in Incheon, in this September 23, 2014 file photo. (Photo by Kim Hong-Ji/Reuters)

An undated handout picture made available by the Symbio Wildlife Park on 28 November 2016 shows three Pygmy Marmoset monkeys including an adult male, a female juvenile and a four-week-old baby, at the Symbio Wildlife Park in Helensburgh, South of Sydney, New South Wales, Australia. (Photo by EPA/Symbio Wildlife Park)

A member of Viradouro samba school performs during the first night of Rio's Carnival parade at the Sambadrome Marques de Sapucai in Rio de Janeiro, Brazil on April 22, 2022. (Photo by Carl de Souza/AFP Photo)

A woman with the Ukrainian national colours painted on her body and reading “Stop raping us” protest on the red carpet during the screening of the film “Three Thousand Years of Longing” during the 75th edition of the Cannes Film Festival in Cannes, southern France, on May 20, 2022. (Photo by Sarah Meyssonnier/Reuters)

Shiite Muslim devotees reach to receive a blessing from the tomb of Imam Hussein, the Prophet Mohammed's grandson, at the Imam's shrine in Iraq's central holy city of Karbala on September 6, 2023, during the Arbaeen religious festival commemorating his seventh century killing. (Photo by Hussein Faleh/AFP Photo)

A health worker shows an empty syringe after inoculating a woman with AstraZeneca's COVID-19 vaccine during the first day of a nationwide three-day vaccination drive at a school in Quezon city, Philippines on Monday, November 29, 2021. There has been no reported infection so far caused by the new variant in the Philippines, a Southeast Asian pandemic hotspot where COVID-19 cases have considerably dropped to below 1,000 each day in recent days, but the emergence of the Omicron variant has set off a new alarm. (Photo by Aaron Favila/AP Photo)