A health worker pretends to give a shot to a girl's doll to help put her at ease before giving her a shot of the Coronavac vaccine for COVID-19, at a sports center as children age 5 – 11 start getting vaccinated in Asuncion, Paraguay, Monday, January 31, 2022. (Photo by Jorge Saenz/AP Photo)

Performers dressed as superhero characters pose with a child receiving the Pfizer-BioNtech Covid-19 vaccine for children aged 5-11 at a gym in San Juan City, suburban Manila on February 7, 2022. (Photo by Ted Aljibe/AFP Photo)

Bangladeshi children from Khan Tea garden posing for photos on March 23, 2022 with their faces painted after adorning with colors like Rainbows on the celebration of the annual Hindu festival of colors, known as Holi festival marking the onset of spring. (Photo by Md Rafayat Haque Khan/Eyepix Group/Rex Features/Shutterstock)

A health worker gives a polio vaccine to a girl on a street in Lahore, Pakistan, Monday, June 27, 2022. Pakistan launched a new anti-polio drive on Monday, with the goal to vaccinate a million children across Pakistan. (Photo by K.M. Chaudary/AP Photo)

Children hold Taliban flags during a celebration marking the first anniversary of the withdrawal of US-led troops from Afghanistan, in front of the U.S. Embassy in Kabul, Afghanistan, Wednesday, August 31, 2022. (Photo by Ebrahim Noroozi/AP Photo)

Children wearing cardboard lion dance masks walk along a street in Beijing on January 13, 2023. China has announced its first overall population decline in recent years amid an aging society and plunging birthrate. (Photo by Mark Schiefelbein/AP Photo)

A Syrian boy receives treatment at a hospital in the regime-held part of Aleppo on October 13, 2016. Syrian state television said four children were killed by rebel rocket fire on a school in a western regime-held neighbourhood. (Photo by George Ourfalian/AFP Photo)

A Black Pete interacts with children during the arrival of Sinterklaas, or Saint Nicholas, in Maassluis, Netherlands, Saturday, November 12, 2016. Sinterklaas and his helper Black Pete are at the center of a long-time controversy because Pete is often played by white people in blackface makeup. (Photo by Peter Dejong/AP Photo)