ENFERMEDAD DE MINAMATA Síndrome causado por envenenamiento por mercurio. ENVENENAMIENTO POR MERCURIO PRODUCCIÓN. 国立水俣病総合研究センターホームページへようこそ!水俣病に関する情報等を掲載し ています。. ENVIRONMENTAL HEALTH DEPARTMENTMINI.

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The chemical reaction used to produce the acetaldehyde used mercury sulfate as a catalyst. After beginning a sit-in at the factory gates in Novemberthe patients asked Kumamoto Prefecture Governor Hirosaku Teramoto to include the patients’ request for compensation with the mediation that was ongoing with the prefectural fishing alliance.

Timeline of Minamata disease. Chisso Corporation official site. Retrieved 8 May The Kumamoto prefectural government issued a partial ban on the sale of fish caught in the heavily polluted Minamata Bay, but not an all-out ban, which would have enfermedqd obliged it to compensate enfedmedad fishermen.

Masazumi Harada has said that, “It may sound strange, but if this second Minamata disease had not broken out, the medical and social progress achieved by now in Kumamoto Finally on 26 September — 12 years after the discovery of the disease enfernedad four months after Chisso had stopped production of acetaldehyde using its mercury catalyst — the government issued an official conclusion as to the cause of Minamata disease:.

Wikimedia Commons has media related to Jinamata disease. Itai-itai disease Minamata disease Niigata Minamata disease Yokkaichi asthma. Their parents, who are often their only source of care, are into their seventies or eighties or already deceased.

He has returned to Minamata many times since. As of March2, victims had been officially certified 1, of whom have died [2] and over 10, people had received financial compensation from Chisso, [3] although they were efnermedad recognised as official victims.

Un año del Convenio de Minamata sobre el mercurio | UN Environment

Nevertheless, the government announcement brought a feeling of relief to a great many victims and their families. At a meeting on the 5th of Aprilthe opposing views within the society could not be reconciled and the organisation split into the arbitration group who were willing to accept binding arbitration and the litigation group who decided to sue the company. imnamata


On May 1, the hospital director reported to the local public health office the discovery of an ” epidemic of an unknown disease of the central nervous system “, marking the official discovery of Minamata disease.

At one point, over half of the tax revenue of Minamata City authority came from Chisso and its employees, and the company and its subsidiaries were responsible for creating a quarter of all jobs in Minamata. Local people felt that the company and their city that depended upon it was facing economic ruin.

Minamata disease broke out again inthis time along the banks of the Agano River in Niigata Prefecture. According to Timothy S. The arbitration committee announced their minmaata plan on 25 May in a disorderly session at the Ministry of Health and Welfare in Tokyo. As a group, these diseases came to be known as the four big pollution diseases of Japan. Toxic Effects of Mercury. Money, Politics and PoisonIsland Press, p. That summer, Chisso sent gifts to the families who opted for arbitration rather than litigation.

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Most congenital patients are now in their forties and fifties and their health is deteriorating. Also, in recognising an applicant as a Minamata disease sufferer, the certification council qualified that patient to wnfermedad financial compensation from Chisso. Chisso knew of the environmental damage caused by its wastewater and was well aware that it was the prime suspect in the Minamata disease investigation.

Scientific community trying to decipher the in-depth molecular mechanism of the disease caused due to methylmercury.

Disease victims, fishing families, and company employees were excluded from the debate. In Februarythe mercury distribution in Minamata Bay was investigated. A second outbreak of Minamata disease occurred in Niigata Prefecture in The cats in the local area, which tended to eat scraps from the family table, minanata died with symptoms similar to those now discovered in humans.


Another mediation committee was set up, and an agreement was hammered out and signed on 17 December. As a result, the local community was much more supportive of patients’ groups and a lawsuit was filed against the company in Marchonly three years after discovery. Minamata disease compensation agreements of This resulted in many applicants being rejected by the committee, leaving them confused and frustrated.

On Monday, March 29,a group of 2, uncertified victims reached a settlement with the government of Japan, the Kumamoto Prefectural government, and Chisso Corporation to receive individual lump-sum payments of 2. Hajime Hosokawa died three months after giving his testimony. The fishing cooperative protested against Chisso and angrily forced their way into the factory on 6 August and 12 August, demanding compensation.

Owing to the localised nature of the disease, it was suspected to be contagious and as a precaution patients were isolated and their homes disinfected. This culminated in with the establishment in Minamata of the Citizens’ Council for Minamata Disease Countermeasures, which was to become the chief citizens’ support group to the Minamata patients.

Some people feared the disease to be contagious, and many local people were fiercely loyal to Chisso, depending on the company for their livelihoods. They required that patients must exhibit all symptoms of Hunter-Russell syndrome — the standard diagnosis of organic mercury poisoning at the time — which originated from an industrial accident in the United Kingdom in Around this time, two other pollution-related diseases were also grabbing headlines in Japan.

Lawsuits against Chisso and the prefectural and national governments are still continuing and many regard the government responses to date as inadequate.