More than 1000 people have fallen ill after eating pesticide-contaminated frozen food as a scandal widens across Japan.
People have reported vomiting, diarrhoea and other symptoms of food poisoning after eating products including pizza and lasagne made by a subsidiary of Maruha Nichiro Holdings, the nation's largest seafood firm.
The number of people affected by the tainted food has risen to over 1,000, with more than 200 taken ill in the northern main island of Hokkaido alone, news agency Jiji Press reported on Wednesday.
In western Osaka prefecture, a nine-month-old baby was hospitalised with vomiting on Monday after eating a product called creamy corn croquettes, the report said.
Police began investigating the company last month after it revealed some of its frozen food had been tainted with malathion, an agricultural chemical often used to kill aphids in corn and rice fields.
As of Wednesday, Maruha Nichiro has received about 630,000 phone calls from consumers in connection with the incident, including complaints from customers who had eaten tainted products and some reporting unusual odours, a company spokeswoman said.
The food maker has recalled 6.4 million potentially tainted products, with 1.49 million packages recovered so far, she said. None of the products in question had been shipped overseas, the company said.
While food standards are relatively high in Japan, incidents have occurred such as in August 2012 when cabbage containing E. coli seven people and sickened dozens.
Japan's much-vaunted reputation for safe and high quality food has also been badly affected by the Fukushima atomic disaster, which saw acres of farmland polluted by nuclear fall-out and many countries restrict agricultural imports from the area.