Multistate Outbreak of Human Salmonella Typhimurium Infections Linked to Ground Beef

Persons infected with the outbreak strain of Salmonella Typhimurium by date of illness onset*

*n=20 for whom information was reported as of January 30, 2012

Among persons for whom information was available, illnesses began on or after October 8, 2011. Ill persons ranged in age from 1 year to 79 years old, with a median age of 45 years old. Fifty percent were male. Among the 17 ill persons with available information, 8 (47%) were hospitalized. No deaths were reported.

The outbreak can be visually described with a chart showing the number of people who became ill each day or week. This chart is called an epi curve. The PFGE pattern associated with illness in this outbreak has been seen before in PulseNet, and in the past typically caused 0-3 cases per month. Please see the Timeline for Reporting of Salmonella Cases for more details.