ABC News, 1/31/15:
New York College Student With Measles Boarded Amtrak Train at Penn Station
A New York college student with measles boarded an Amtrak station from Penn Station earlier this week and may have exposed other passengers to the contagious virus.
Media reports say he travelled cross state, but he only went to Rhinecliff (before Albany) after exposing everyone in Penn Station to the disease. Of course his germs still travelled to Niagara Falls.