Notes from the field: Infections with Salmonella I 4,[5],12:i:- linked to exposure to feeder rodents - United States, August 2011-February 2012.

CDC is collaborating with 22 state health departments in an ongoing investigation of an outbreak of human Salmonella I 4,[5],12:i:- infections associated with exposure to rodents sold as food for pet reptiles and amphibians (i.e., feeder rodents). This outbreak strain also was implicated in a 2009 outbreak in the United Kingdom and a 2010 outbreak in the United States, both linked to frozen feeder rodents from a single U.S. supplier, resulting in recalls.