Thirty- two people in San Francisco who ate jackfish caught at Midway Island developed malaise, nausea, blurred vision, breathing difficulty, and numbness from 3 to 6 hours after eating. The most likely cause of this food intoxication is

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Ciguatera poisoning is caused by eating fish that contain toxins produced by a marine microalgae called Gambierdiscus toxicus. The symptoms described, including malaise, nausea, blurred vision, breathing difficulty, and numbness starting a few hours after consumption, are characteristic of ciguatera poisoning. This condition is commonly associated with fish from tropical and subtropical waters, such as those around Midway Island.

Thirty- Two People in San Francisco Who Ate Jackfish Caught