Minamata disease was caused due to the consumption of

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The Minamata disease got its name from Minamata Bay in Southwestern Japan where it was first observed in nearby communities. It was officially discovered in 1956, and a few years later it was known to be caused by ingestion of fish that had been contaminated by mercury left off from a chemical manufacturing plant. Levels of methylmercury chloride were very high: upto 50 ppm in fish and 85 ppm in shellfish from the contaminated areas. 121 people were poisoned from eating the contaminated fish, 46 of which died. Dogs