| canada | quebec | xmrv | no rank | 0 | 1 |
| france | languedoc-roussillon region | xmrv | no rank | 0 | 1 |
| lithuania | | xmrv | no rank | 11 | 0 |
| south korea | | xmrv | no rank | 2 | 0 |
| sweden | uppsala | xmrv | no rank | 0 | 1 |
| united kingdom | | xmrv | no rank | 44 | 0 |
| united kingdom | england | xmrv | no rank | 0 | 1 |
| united states | | polytropic endogenous mouse leukemia virus | no rank | 40 | 0 |
| united states | | polytropic endogenous mulv-like virus tm-2010 | no rank | 2 | 0 |
| united states | | xenotropic mulv-related virus vp62 | no rank | 1 | 0 |
| united states | | xmrv | no rank | 16 | 0 |
| united states | california | xmrv | no rank | 0 | 2 |
| united states | georgia | xmrv | no rank | 0 | 1 |
| united states | kansas | xmrv | no rank | 0 | 1 |
| united states | massachusetts | xmrv | no rank | 0 | 1 |
| united states | nevada | xmrv | no rank | 0 | 1 |