GENEVA (Reuters) - More than 48 million people in West Africa will be immunized for yellow fever over the next four years under a new vaccine programme announced on Wednesday by the public-private GAVI Alliance.Mass vaccination campaigns from the 1940s to the 1960s nearly wiped out yellow fever in Africa, but a drop-off in immunizations caused a resurgence in the hemorrhagic disease that health experts fear could trigger epidemics in urban areas.>>> Discuss This Story
