| chile | | listeria monocytogenes serotype 1/2b | no rank | 45 | 0 |
| italy | | listeria monocytogenes serotype 1/2b | no rank | 1 | 0 |
| united states | maryland | listeria monocytogenes serotype 1/2b | no rank | 1 | 0 |
| united states | new york | listeria monocytogenes serotype 1/2b | no rank | 4 | 0 |
| united states | north carolina | listeria monocytogenes serotype 1/2b | no rank | 9 | 0 |
| united states | ohio | listeria monocytogenes serotype 1/2b | no rank | 8 | 0 |
| united states | wyoming | listeria monocytogenes serotype 1/2b | no rank | 2 | 0 |