Romaine lettuce has been linked to repeated E. coli outbreaks, but new research from Cornell University uncovers how contamination happens—and how to stop it. The study highlights irrigation water, especially untreated surface water applied through spray systems, as a key culprit. Switching to drip or furrow irrigation and improving cold storage during transport can drastically […]



Summary

Cornell University research identifies irrigation water as a major source of E. coli contamination in romaine lettuce. Untreated surface water used in spray irrigation is a primary culprit. The study suggests switching to drip or furrow irrigation to avoid splashing contaminated water onto leaves. Furthermore, improving cold storage conditions during transport is also crucial to prevent the bacteria from multiplying. These preventative measures can significantly reduce the risk of future E. coli outbreaks linked to romaine lettuce.

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