Virus | Family | No. isolates | No. locations | No. years detected | Human disease | Refs. |
West Nile virus | Flaviviridae | 1,002 | 94 | 12 | Moderate to severe, fever, encephalitis | 2,5 |
Eastern equine encephalitis virus | Togaviridae | 292 | 41 | 10 | Severe, encephalitis | 6,7 |
Highlands J virus | Togaviridae | 178 | 39 | 11 | Not known | 6 |
Jamestown Canyon virus | Bunyaviridae | 305 | 74 | 14 | Mild to moderate, fever, meningitis | 8 |
Potosi virus | Bunyaviridae | 259 | 76 | 4 | Not known | 3 |
Cache Valley virus | Bunyaviridae | 114 | 51 | 8 | Mild to severe, fever, neurological illness in two documented cases | |
Trivittatus virus | Bunyaviridae | 83 | 21 | 11 | Not known | |
La Crosse virus | Bunyaviridae | 1 | 1 | 1 | Moderate to severe, encephalitis | 4 |
Flanders virus | Rhabdoviridae | 4 | 4 | 2 | Not known |