Measles exposure at Boston Logan Airport after JetBlue flight from Florida.

A person infected with measles arrived at Boston's Logan Airport on April 14 and passed through Terminal C, prompting health officials to warn travelers who were present between midnight and 2:30 a.m. that they may have been exposed. Authorities are working to notify those who were potentially in contact with the virus and urge unvaccinated individuals to contact their healthcare providers immediately.