A passenger infected with measles traveled on an Amtrak train between New York Penn Station and Washington D.C. last week, officials said. The passenger rode train No. 175, a Northeast Regional, on March 19, Amtrak said.

The passenger rode an Amtrak train in the Northeast last week before visiting an urgent care center in DC, health officials said.

A passenger riding an Amtrak train traveling between Boston and Washington, D.C. has measles, according to D.C. health officials. Massachusetts health officials said Wednesday the passenger initially boarded the train in New York,