On July 4, 2014, the CDC reported a total of 621 individuals infected with the outbreak strains of Salmonella Heidelberg from 29 states and Puerto Rico. Most of the ill persons (76%) have been reported from California. 36% of ill persons have been hospitalized, and no deaths have been reported. The outbreak began in February 2013 with the last reported illness June 25, 2014. The number of ill persons identified in each state is as follows: Alabama (1), Alaska (1), Arkansas (1), Arizona (25), California (480), Colorado (9), Connecticut (1), Delaware (1), Florida (4), Georgia (1), Hawaii (1), Idaho (5), Illinois (1), Kentucky (1), Louisiana (1), Michigan (4), Missouri (5), Montana (1), North Carolina (1), Nevada (11), New Mexico (2), Oregon (17), Puerto Rico (1), Tennessee (1), Texas (13), Utah (6), Virginia (4), Washington (20), West Virginia (1), and Wisconsin (1).
Epidemiologic, laboratory, and traceback investigations conducted by local, state, and federal officials indicate that consumption of Foster Farms brand chicken is the likely source of this outbreak of Salmonella Heidelberg infections.