Global Measles Cases Rise by 20% as WHO Blames One Key Factor ScienceAlertMeasles is debilitating and deadly, and cases are surging, WHO and CDC warn CNNSurge in worldwide measles cases driven by lack of vaccine coverage, WHO says The Washington PostMeasles cases rise by 20 percent worldwide: WHO The HillProgress Toward Measles Elimination — Worldwide, 2000–2023 CDC