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 WSJDespite false-positive test, Taylor Farms lettuce remains central to cyclosporiasis probe, FDA says KTLAFederal health officials have investigated 5 different clusters of cyclosporiasis cases, FDA says ABC News - Breaking News, Latest News and VideosDespite ‘False Positive’ Test, Taylor Farms Is Still Focus of Cyclospora Investigation The New York Times