Published: May 18, 2026, 22:46 IST | Updated: May 18, 2026, 22:46 IST
A deadly measles resurgence is spreading across countries including the US, Mexico, and Bangladesh, raising alarms among health experts worldwide. Thousands of infections, hundreds of deaths, and falling vaccination rates are now threatening decades of public health progress. Here’s how the outbreak began, why experts are worried, and what it means for global health.