...
Animal reservoir: Serovar Typhimurium is host-generalists that can colonize and cause diseases in multiple animal species, including but not limited to cattle, poultry, swine, wild animals, dogs, and insects.
Geographical distribution: Serovar Typhimurium is globally distributed. During the study period from 2001 to 2007, Salmonella Typhimurium were the second most prevalent Salmonella serovars isolated from human in most regions, except in North America and Oceania (Australia and New Zealand). In these two regions, Salmonella Typhimurium was the most frequently reported in humans. Among human Salmonella isolates, serovar Typhimurium accounted for 17.1% of cases (ranging from 15% in 2007 to 18.9% in 2001).
...