A surge in parasitic disease cases that can cause a prolonged bout of debilitating diarrhea is prompting growing concerns from public health officials and questions from the public about the safety of ...

Health officials have identified lettuce and bagged salad as potential sources of the cyclospora outbreak, but haven't ruled out other produce.

Nationwide, cases of cyclospora, a parasite that infects the intestinal track, are surging, as health officials race to investigate the source or sources. So far, shredded iceberg lettuce has been ...