What false positive cyclospora test means for outbreak, according to former FDA medical officer

The U.S. Food and Drug Administration (FDA) is still actively investigating the source of a cyclosporiasis outbreak, facing a setback due to earlier test results that proved to be false positives. This development complicates the agency's efforts to pinpoint the origin of the parasitic illness and implement necessary control measures.

Dr. David Acheson, a medical professional with over four decades of experience in medicine and food safety, shared his insights on the situation with CBS News. As a former FDA medical officer, his perspective offers valuable context on the challenges and significance of accurate diagnostic testing in public health investigations.

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The FDA is still hunting for the source of the cyclosporiasis outbreak after earlier test results proved to be a false positive.

The false positive results mean that resources and attention may have been misdirected, potentially delaying the identification of the true source of contamination. Cyclosporiasis is typically caused by the consumption of contaminated food or water, and identifying the specific vehicle of transmission is crucial for issuing public warnings and removing contaminated products from the market.

The FDA's continued hunt for the outbreak's source underscores the importance of rigorous testing and verification in food safety. The agency's persistence in this investigation aims to ensure that the actual cause is identified, thereby protecting public health and preventing further cases of illness.

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Dr. David Acheson, who has more than 40 years of medical and food safety experience, joins CBS News to discuss the issue.