Experts say hundreds of people who reported having health problems in Japan after 10 fell ill from contaminated dumplings made in China may have mistakenly attributed their symptoms to food poisoning.
The Yomiuri Shimbun reports no further cases of food poisoning have been found aside from the original 10.
More than 2,700 people have reported suffering health problems in the wake of a report that pesticide-contaminated gyoza produced in China had sickened 10 people in Japan, according to the Health, Labor and Welfare Ministry.
Yet since the original 10 cases, no further examples of organophosphate poisoning have been confirmed.
Experts say mild cases of poisoning by minute traces of organic phosphorus may have been overlooked. But they believe in most cases people are probably mistakenly attributing their symptoms to food poisoning.