| canada | | salmonella enterica subsp. enterica serovar hartford | no rank | 36 | 0 |
| canada | ontario | salmonella enterica subsp. enterica serovar hartford | no rank | 5 | 0 |
| mexico | | salmonella enterica subsp. enterica serovar hartford | no rank | 1 | 0 |
| united kingdom | england | salmonella enterica subsp. enterica serovar hartford | no rank | 2 | 0 |
| united kingdom | scotland | salmonella enterica subsp. enterica serovar hartford | no rank | 1 | 0 |
| united states | | salmonella enterica subsp. enterica serovar hartford | no rank | 121 | 0 |
| united states | | salmonella enterica subsp. enterica serovar hartford str. 06-0676 | no rank | 96 | 0 |
| united states | alabama | salmonella enterica subsp. enterica serovar hartford | no rank | 2 | 0 |
| united states | california | salmonella enterica subsp. enterica serovar hartford | no rank | 1 | 0 |
| united states | florida | salmonella enterica subsp. enterica serovar hartford | no rank | 14 | 0 |
| united states | georgia | salmonella enterica subsp. enterica serovar hartford | no rank | 379 | 0 |
| united states | illinois | salmonella enterica subsp. enterica serovar hartford | no rank | 2 | 0 |
| united states | indiana | salmonella enterica subsp. enterica serovar hartford | no rank | 2 | 0 |
| united states | kentucky | salmonella enterica subsp. enterica serovar hartford | no rank | 2 | 0 |
| united states | michigan | salmonella enterica subsp. enterica serovar hartford | no rank | 448 | 0 |
| united states | mississippi | salmonella enterica subsp. enterica serovar hartford | no rank | 1 | 0 |
| united states | missouri | salmonella enterica subsp. enterica serovar hartford | no rank | 2 | 0 |
| united states | new jersey | salmonella enterica subsp. enterica serovar hartford | no rank | 1 | 0 |
| united states | new york | salmonella enterica subsp. enterica serovar hartford | no rank | 120 | 0 |
| united states | north carolina | salmonella enterica subsp. enterica serovar hartford | no rank | 16 | 0 |
| united states | ohio | salmonella enterica subsp. enterica serovar hartford | no rank | 1 | 0 |
| united states | texas | salmonella enterica subsp. enterica serovar hartford | no rank | 1 | 0 |
| united states | virginia | salmonella enterica subsp. enterica serovar hartford | no rank | 1 | 0 |