A woman sits on the steps of the Lincoln Memorial in Washington, D.C., the United States, on Oct. 25, 2021. Advisers to the U.S. Food and Drug Administration (FDA) are set for a key meeting Tuesday on whether to recommend the Pfizer-BioNTech COVID-19 vaccine for children ages 5 to 11, as experts predicted younger children will be eligible for the vaccine in early November. (Photo by Ting Shen/Xinhua)
