India, July 20 -- The FDA test for cyclospora on Taylor Farms' lettuce showed a false positive. This comes after the FDA initially said one of the iceberg lettuce products was 'confirmed positive' for the 'explosive diarrhea' parasite.

With this announcement from the FDA, which Taylor Farms confirmed via a statement of their own, the source of the outbreak remains unknown.

Taylor Farms, in its statement, said "Today, FDA apologized to us."

"Yesterday, FDA informed Taylor Fresh Foods that one of its iceberg lettuce products from central Mexico had a "confirmed positive" test for cyclospora. Today, we were informed that FDA made a mistake, and this was a false positive. To be clear, at this moment, FDA has not identified a single positiv...