As of April 1, 2011, 12 persons infected with the outbreak strain of Salmonella Hadar have been reported from 10 states: Arizona (1 case), California (1 case), Colorado (1 case), Georgia (1 case), Illinois (1 case), Missouri (1 case), Mississippi (1 case), Ohio (1 case), Washington (1 case), and Wisconsin (3 cases). Isolation dates range from December 27, 2010 to March 24, 2011. Ill persons range in age from 1 year to 86 years old, with a median age of 29 years old. Sixty-three percent are female. Among the 12 ill persons with available information, three have been hospitalized. No deaths have been reported.