What we know about the cyclosporiasis outbreak linked to produce

Thirty-one states are now reporting cases of a parasitic intestinal disease that is making life miserable for those who contract it. While the U.S. has seen outbreaks of cyclosporiasis in the past, the cases this summer are much higher than normal and are raising real concerns about the illness. William Brangham discussed more with Dr. Omer Awan of the University of Maryland School of Medicine.