> The symptoms can last from weeks to years, and in extreme cases as long as 20 years, often leading to long-term disability. Most people do recover slowly over time.
Doesn't look like the same thing.
"In the absence of a human biomarker to confirm CFP, the diagnosis of CFP is based on the clinical scenario and the patient’s recent fish-eating history. CFP is associated with gastrointestinal (GI), cardiovascular, neurological and neuropsychiatric symptoms and signs."
...Unless you’re a nation state that really wants to figure it out. If you’re willing to put people through hell just to diagnose them, it’s probably doable.