FILE - Residents of the Malawi village of Migowi wait for their young children to receive a vaccine against malaria in a pilot program in Tomali, Dec. 11, 2019. As the World Health Organization announces Thursday July 21, 2022 the next step in its rollout of the world's first authorized malaria vaccine in several African countries, the Bill and Melinda Gates Foundation says it will no longer financially support the shot. (AP Photo/Jerome Delay, File)