Lettuce or salad greens could be source of diarrhea-causing illness, Michigan health officials say

The foodborne gastrointestinal illness has shown up in 31 states, and federal health officials say 86 people have been hospitalized. The foodborne gastrointestinal illness has shown up in 31 states, and federal health officials say 86 people have been hospitalized. Read the full story on NBC News via the link below.