More measles exposures are happening at airports and tourist destinations. Here’s what travelers need to know

More than 1,100 measles cases have been reported in the United States this year, and the highly contagious virus has put people at risk while they wait in ERs and doctor’s offices — but also at a Shakira concert in New Jersey, at a mall in Minnesota, at a Buc-ee’s store in Texas and in airports and planes in several states.