The contaminated product is likely no longer on store shelves, the public health agency says.
Officials in Canada blamed the leafy green, but their American counterparts are still investigating the cause of an outbreak in the United States.
A new study confirms that uncooked flour can make people dangerously ill. Turns out E. coli bacteria can thrive in the dry, powdery host.
Scientists studying oysters along the Atlantic Coast have discovered a critical clue to understanding why more seafood lovers are getting sick from eating shellfish.