The Center for Disease Control and Protection (CDC), public health and regulatory officials in several states, Canada, and the U.S. Food and Drug Administration (FDA) are investigating an outbreak of Salmonella infections linked to red onions.
Please see below for advice from the CDC, and read their most up-to-date statement on the outbreak here.
You can also find a Public Health Notice from the Public Health Agency of Canada here and the Canadian Food Inspection Agency here.