Public Health: Measles and Vaccination

Public health officials are warning about a worsening global measles resurgence, with at least 46 children dead and roughly 684 cases confirmed in Bangladesh since late January, while the United States is logging its own sharp uptick in infections. Citing data current as of March 26, the CDC reports 1,575 confirmed measles cases nationwide in 2026 and 16 separate outbreaks, with 94% of U.S. cases tied to those clusters. The agency says national MMR vaccination coverage among kindergartners has now slipped below the 95% “herd immunity” target needed to reliably prevent outbreaks, creating pockets where the highly contagious airborne virus can spread rapidly. In response to finding many infections in babies too young for routine shots, Bangladesh has modified its vaccine schedule, while WHO guidance continues to recommend two doses beginning at 9 months in high‑incidence countries and at 12–15 months elsewhere. The story underlines how falling vaccination rates and global travel can quickly turn overseas surges into domestic problems, a concern echoed in U.S. health circles and on social media as parents debate MMR shots and misinformation continues to circulate.