Table 1. The subtypes of VEE complex alphaviruses and their transmission cycles.
| Virus | Subtype | Abbreviation | First Isolation | Geographic Range | Vertebrate Host Range | Mosquito vector | Human Disease | Endemic/Epidemic |
|---|---|---|---|---|---|---|---|---|
| Venezuelan equine encephalitis | IAB | VEEV | Venezuela 1938 | Trinidad, Peru, Colombia, Guatemala-Mexico-Texas | Horses/humans | Aedes and Psorophora spp | Yes | Epidemic |
| IC | Colombia, 1962 | Colombia, Venezuela, Peru | Horses/humans | Aedes and Psorophora spp | Epidemic | |||
| ID | Colombia, 1961 | South and Central America | Rodents | Culex (Melanoconion) spp. | Endemic | |||
| IE | Panama, 1961 | Central America | Rodents, horses, humans | Culex (Melanoconion) taeniopus and Psorophora and Aedes spp. | Epidemic/Endemic | |||
| Everglades | II | EVEV | Florida, USA, 1963 | Florida | Birds | Culex (Melanoconion spp.) | No | Endemic |
| Mucambo | IIIA | MUCV | Trinidad, 1954 | South America | Unknown | Culex portesi | yes | Endemic |
| Tonate | IIIB | TONV | French Guiana, 1973 | South and Central America | Unknown | Unknown | No | Unknown |
| 71D1252 | IIIC | South America | Unknown | Unknown | No | Unknown | ||
| Pixuna | IV | PIXV | Brazil, 1964 | South America | Unknown | Unknown | No | Unknown |
| Cabassou | V | CABV | French Guiana, 1968 | French Guiana | Unknown | Culex portesi | No | Unknown |
| Rio Negro (AG80_663) | VI | RNV | Argentina, 1980 | Argentina | Unknown | Unknown | No | Unknown |
| Mosso das Pedras (78V3531) | IF | MDPV | Brazil, 1978 | Brazil | Unknown | Culex (Melanoconion) sp. | No | Unknown |