TODAY News May 6: Sick Passengers Evacuated Amid Cruise Ship Outbreak | Results from Key Primary Races | Growing Mystery Surrounding Zoo Hoaxes

The latest developments in the cruise ship at the center of a deadly hantavirus outbreak. Overnight results from key primary races in the Midwest. A closer look at the growing number of hoax emergency calls targeting zoos. And, how to save money at the pump and get the most out of high gas prices.