More than 300 cases of measles, one of the most contagious viruses in the world, have now been confirmed across more than a ...

Oklahoma and Vermont report new cases of measles, increasing the number of affected states to 15. Health officials urge ...

Measles cases have surpassed 300 in the U.S. in 2025 thus far, more than the total number of infections seen in all of 2024.