2026-10-21t045618z-1772179031-rc2g4oazodi8-rtrmadp-3-health-ebola-nigeria_jpg

Health workers and humanitarian responders on the front lines of the Ebola outbreak gather to receive vaccinations due to their potential exposure to the virus in the North Kivu Province of the Democratic Republic of Congo on October 16.
Gradel Muyisa Mumbere/File/Reuters