FILE: Global measles cases up 300 percent year-on-year: WHO Measles cases rose 300 percent worldwide through the first three months of 2019 compared to the same period last year, according to the UN. The most dramatic rise in cases through the early part of the year was reported in Africa, which has weaker vaccination coverage than other regions. Africa saw a 700-percent increase compared to last year. FILE IMAGES relating to measles, shot in Madagascar, Ukraine, Switzerland and Brazil