At least 1,277 cases have been reported as of Monday, surpassing the previous record set in 2019, despite 2025 being only halfway over. View Entire Post ›

While measles symptoms typically resolve in a few weeks, the virus can cause pneumonia, making it difficult for patients, especially children, to get oxygen into their lungs. It may also lead to brain swelling, which can cause lasting damage, including blindness, deafness and intellectual disabilities.

Measles cases in the United States have reached their highest number in more than 30 years, according to new federal data published Wednesday.