FDA Tests That Found Cyclospora In Taco Bell Supplier’s Lettuce Were A ‘False Positive’ The Food and Drug Administration's apology on Sunday night was a welcome move, but it also raises more questions than answers about the ongoing cyclosporiasis outbreak.
The agency admitted that initial test results linking Taylor Farms' iceberg lettuce to the parasite borne illness were a "false positive.
" This finding is particularly concerning because it suggests that the FDA's targeted import surveillance program may not have been entirely effective in identifying potential sources of contamination.