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Geographical distribution: Serovar Typhimurium is globaly distributed. In multiple locations (i.e., U.S., Europe, Africa and Latin America), it is reported as the second most common Salmonella serovar in humans. In Australia, it is the most common serovar in humans. In Asia, it is among the ten most common serovars in humans.
OutbreaksHuman outbreaks: Numerous outbreaks have been associated with S. Typhimurium. Outbreaks Human outbreaks have been linked to a number of foods and to contact with animals (chicks, ducklings, and other live baby poultryanimals). Here we mention some of the latest outbreaks caused by this serovar Below are some examples.
Year | Location | Associated source | Number of cases |
| 2024-2025 | US: multistate | Cucumbers | 113 |
| 2024 | US: multistate | Backyard poultry1 | 470 |
| 2023-2025 | Europe: multi-country | Alfalfa sprouts | 509 |
| 2018 | US: multistate | Chicken salad | 265 |
| 2018 | US: multistate | Dried coconut | 14 |
2013 | US: multistate | 356 | |
2013 | US: multistate | At least 22 | |
2012 | Canada | 50 | |
2012 | US: multistate | 26 | |
2012 | US: multistate | 261 | |
2011 | US: multistate | 20 | |
2011 | US: multistate | 241 | |
2011 | England | 24 | |
2009-2011 | Ireland | 34 | |
2009 | England | 14 | |
2008-2009 | US: multistate | 714 |
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