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West Nile virus lineages
| Lineages | Geographic distribution |
|---|---|
| 1a | Europe, Africa, and Americas |
| 1b | Oceania |
| 2 | Africa and Europe (Hungary, Greece, and Italy) |
| 3 | Czech Republic |
| 4 | Russia |
| 5 | India (Also considered 1c) |
| 6 | Spain |
| 7 | Senegal (no reports of human infection) |
| 8 | Senegal |
| 9 | Austria (considered sub-lineage of 4) |
