As federal health officials continue to investigate this summer’s outbreak of cyclosporiasis that has been tied to iceberg lettuce, many people are wondering: Is it safe to eat lettuce yet? For now, the answer seems to be generally yes – with an important caveat.

(This Aug 27 story has been republished to change the image with no changes to text.) Aug 27 (Reuters) - U.S. health authorities have widened their probe into a cyclosporiasis outbreak tied to iceberg lettuce from central Mexico after detecting cases in three additional states,

Federal health regulators have announced that a massive cyclospora outbreak linked to contaminated iceberg lettuce has officially expanded to three additional states. The Food and Drug Administration

The FDA issued its most serious classification for recalled iceberg lettuce linked to a nationwide cyclospora outbreak.

The outbreak specifically tied to recalled lettuce, so far, has grown to include three new states. See where, updated map of all affected states.

Because fresh-cut produce doesn’t undergo a final step to eliminate harmful pathogens, the agency’s recommendations emphasize preventing contamination throughout the production process.

The best-by dates for these recalled products have passed, officials said, and they should no longer be available for sale in stores or restaurants.

This genetically engineered lettuce produces the protein that helps give meat its flavor and color.