A salmonella outbreak last year that sickened 195 people in 27 states has been linked to backyard chickens, with many purchased from a mail-order hatchery. "This outbreak investigation identified the largest number of human illnesses ever linked to contact with live poultry during a single outbreak, and it underscores the ongoing risk for human salmonellosis linked to backyard flocks," according to the Morbidity and Mortality Weekly Report.

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