A record 72.2 million Americans are expected to travel in the U.S. this Fourth of July weekend. An unprecedented 5.84 million of them are projected to take to the skies, marking a 1.4 percent increase over the previous record, according to AAA.
A trip to the airport can be stressful enough without worrying about getting sick — but many people spread illness when they travel. This year, cases of measles have been reported in travelers at airports around the country.