Taylor Farms lettuce is still focus of cyclospora investigation despite false positive test, FDA says CBS NewsFDA Walks Back Finding of Cyclospora Parasite as Outbreak Probe Continues WSJThe FDA made a big reversal in its cyclosporiasis probe, but it still thinks iceberg lettuce is to blame CNBCThe FDA Says It Didn't Apologize to Supplier Linked to Diarrhea Outbreak, Actually WIRED
