As of March 20, 2018, 13 people infected with the outbreak strain of Salmonella Typhimurium have been reported from 8 states. A list of the states and the number of cases in each can be found on the Case Count Map page. WGS performed on bacteria isolated from ill people showed that they were closely relatedly genetically. This means that people in this outbreak are more likely to share a common source of infection.
Illnesses started on dates ranging from September 22, 2017 to February 26, 2018. Ill people range in age from 1 to 73 years, with a median age of 40. Sixty-seven percent are female. Three hospitalizations have been reported. No deaths have been reported.