Measles cases are spreading across multiple states, including Pennsylvania, Ohio, and New York, raising concerns about transmission through travel and public gatherings. Health officials warn that the virus can linger in the air and on surfaces, increasing the risk of exposure on flights, trains, and even sports events. Travelers should check for recent outbreaks in their destinations and consider vaccination status before boarding public transportation. Those unvaccinated or unsure of immunity may face higher risks of contracting the highly contagious disease.


Measles is traveling, with outbreaks in Pennsylvania, Ohio and New York, and exposures on transportation and in sports. What should you know before getting on a plane or train?