FILE PHOTO: A health worker administers a polio vaccine at Bundung Maternal and Child Health Hospital in Bundung, Gambia August 30, 2022. REUTERS/Edward McAllister/File Photo
FILE PHOTO: A health worker administers a polio vaccine at Bundung Maternal and Child Health Hospital in Bundung, Gambia August 30, 2022. REUTERS/Edward McAllister/File Photo