FILE PHOTO: A nurse holds malaria vaccine vials before administering the jab to an infant at the Lumumba Sub-County hospital in Kisumu, Kenya, July 1, 2022. REUTERS/Baz Ratner/File Photo
FILE PHOTO: A nurse holds malaria vaccine vials before administering the jab to an infant at the Lumumba Sub-County hospital in Kisumu, Kenya, July 1, 2022. REUTERS/Baz Ratner/File Photo