FILE - Uganda's Minister of Health Jane Ruth Aceng receives boxes containing one of three candidate vaccines against the Sudan strain of the Ebola virus, in Entebbe, Uganda, on Dec. 8, 2022. According to Uganda's Ministry of Health the country has received 1200 doses of vaccines from the World Health Organization to be used in an upcoming Ebola vaccine trial. (AP Photo/Hajarah Nalwadda, File)