Airport measles alerts

Travelers passing through Boston Logan and Newark Liberty this month are being told they may have been exposed to measles after separate airport alerts in Massachusetts and New Jersey. (wcvb.com, nj.gov) Boston’s alert centers on JetBlue Flight 470 from Fort Lauderdale, which arrived at Logan Airport Terminal C shortly after midnight on April 14. The Boston Public Health Commission said anyone in Terminal C between 12 a.m. and 2:30 a.m. that day may have been exposed; the traveler then left in a private vehicle and went out of state. (wcvb.com) New Jersey’s warning involves a non-resident with measles who passed through Newark Liberty International Airport, according to the New Jersey Department of Health. State officials said the case is New Jersey’s first confirmed measles case of 2026 and directed travelers to check the state’s exposure table and monitor for symptoms for 21 days after exposure. (nj.gov, nj.gov, cbsnews.com) Maryland reported a separate measles case on April 19 in a Baltimore-area resident who had recently traveled internationally. The Maryland Department of Health called it the state’s first case of 2026 and said investigators were identifying people who may have been exposed. (health.maryland.gov, foxbaltimore.com) Measles spreads through the air and can linger after an infected person leaves, which is why airports draw broad public notices instead of narrow seat-by-seat warnings. The Centers for Disease Control and Prevention says measles is highly contagious and that two doses of the measles, mumps, and rubella vaccine are about 97% effective at preventing it. (cdc.gov, cdc.gov) Symptoms usually start 7 to 14 days after infection and can include fever, cough, runny nose, red eyes, and then a rash. The Centers for Disease Control and Prevention says people who think they were exposed should call a healthcare provider before showing up at a clinic or emergency room. (cdc.gov, mass.gov) The alerts are landing during a heavy measles year in the United States. The Centers for Disease Control and Prevention said this month that 1,748 confirmed cases had been reported in 2026, with 94% tied to outbreaks. (cdc.gov) Massachusetts had already confirmed two measles cases tied to the state in February, including an adult in Greater Boston who had recently returned from international travel. New Jersey and Maryland are now using the same playbook: publish the exposure windows, urge people to review vaccination records, and ask anyone who develops symptoms to isolate and call ahead. (mass.gov, nj.gov, health.maryland.gov) For travelers, the next step is mostly a calendar check: match your airport stop to the posted dates and times, then watch for symptoms through the 21-day window public health agencies are using. (wcvb.com, nj.gov, health.maryland.gov)