Officials believe contaminated onions are the source of a salmonella outbreak that has sickened hundreds of people in recent weeks in the U.S. and Canada.
The Centers for Disease Control and Prevention issued a food safety alert Friday warning consumers, restaurants and retailers not to eat, serve or sell onions from California-based Thomson International Inc.
Red onions from Thomson International have been linked to an outbreak that has sickened 396 people in 34 states and more than 100 people in Canada, according to the Food and Drug Administration. Still, officials cautioned people against eating any onion varieties grown by Thomson due to potential cross-contamination.
Salmonella can cause serious and sometimes fatal infections, particularly in young children, older adults and people with weakened immune systems, according to the CDC.
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