The Council on Foreign Relations, its global health program, has produced an excellent map of vaccine-preventable disease outbreaks worldwide. Go to the link to dig in to the data, below is just a screen grab:
Tom Paulson is founder and lead journalist at Humanosphere. Prior to operating this online news site, he reported on science, medicine, health policy, aid and development for the Seattle Post-Intelligencer. Contact him at tom[at]humanosphere.org or follow him on Twitter @tompaulson.