| canada | new brunswick | elaphostrongylus cervi | species | 0 | 1 |
| canada | newfoundland and labrador | elaphostrongylus cervi | species | 0 | 1 |
| canada | newfoundland and labrador | elaphostrongylus rangiferi | species | 3 | 0 |
| italy | emilia-romagna region | elaphostrongylus cervi | species | 0 | 1 |
| italy | lombardy region | elaphostrongylus cervi | species | 0 | 2 |
| italy | tuscany region | elaphostrongylus cervi | species | 0 | 1 |
| new zealand | | elaphostrongylus cervi | species | 1 | 0 |
| poland | warmian-masurian province | elaphostrongylus cervi | species | 0 | 1 |
| russia | | elaphostrongylus rangiferi | species | 3 | 0 |
| spain | castilla-la mancha | elaphostrongylus cervi | species | 0 | 1 |
| sweden | | elaphostrongylus alces | species | 2 | 0 |
| switzerland | ticino region | elaphostrongylus cervi | species | 0 | 2 |
| tunisia | | elaphostrongylus cervi | species | 4 | 0 |
| united kingdom | scotland | elaphostrongylus cervi | species | 0 | 2 |
| united states | california | elaphostrongylus rangiferi | species | 0 | 1 |
| united states | washington | elaphostrongylus rangiferi | species | 0 | 1 |