Since the revelation late last month that 10 people suffered chemical poisoning after eating China-made “gyoza” dumplings tainted with pesticide, more than 2,800 people have complained of feeling sick after eating frozen food from China.

None, other than the 10, has been recognized as suffering from chemical poisoning, health officials said Thursday.

Experts said that if patients had consumed only minute doses of pesticide, doctors would have probably reached a diagnosis of food poisoning and would not have conducted tests for organophosphates.

“We took a particularly detailed look at cases in which patients were hospitalized and have concluded that no one else other than the 10 people suffered from organophosphate poisoning,” the Health, Labor and Welfare Ministry announced.

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