Thirty-two people in San Francisco who are jack fish 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 .

Ciguatera

Explanation:

Ciguatera is a food poisoning or foodborne illness. It is caused when the fish contaminated with the ciguatera toxin is ingested in the meal. It is a lipid-soluble heat-stable toxin. It is produced by the dinoflagellates. The ciguatera toxicity can cause symptoms like pain, malaise, labored breathing, blurred vision, numbness of body parts, cardiac as well as neurological problems in human beings. Based on the above description, the people of San Francisco are expected to be affected by Ciguatera.

a1 = unhealthy

a2= healthy

a3= healthy