Hundreds of Canadian school kids have contracted swine flu during summer camp in the eastern province of Ontario, local health authorities said on Wednesday.

"I can confirm that we have three camps with laboratory confirmed H1N1 influenza as outbreaks," local health official Charles Gardner told broadcaster CBC.

The outbreak occurred in the area of Simcoe-Muskoka, 150 kilometers (93 miles) north of Toronto.

"The total number of campers combined among these three camps that are affected is 227 ill out of a total of 1,275 campers," said Gardner.

"They're not severe, I would say, certainly none have required hospitalization. They have had coughs or fever, general unwell or malaise, but none have required hospitalization."

Camps are a popular getaway for North American school children during the summer holidays.

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