with a connecting flight to virginia. >> health officials are working to inform people who may have been exposed. >> it's important to remember that measles can be a deadly disease. >> in chicago, health officials are investigating possible measles exposures around the same time at o'hare airport and two restaurants. the state of virginia is investigating possible exposures at the richmond airport and a doctors office. on december 11th three unvaccinated children with measles visiting from new zealand visited. the measles virus spreads through coughing and sneezing and can live in the air for up to two hours. symptoms can include a high fever, cough, run any nose, pin eye and a red, splotchy rash. on average it takes abomake sure