TABLE 1:
Virus | ||||||||
---|---|---|---|---|---|---|---|---|
JEV | WNV | EEEV | WEEV | VEEV | MVEV | RRV | Getah virus | |
Inapparent infections common | Yes9 | Yes7 | Yes2 | Yes | No9 | Yes13 | Yes12 | Yes |
Morbidity | 0.03–1.4% of horses in a region3 | 1 in 11–12 infections7 | 61%1 of horses on some farms | low | 10% of regional population (estimated)10,11 | Low | Low | Unknown |
Case mortality | 5–40%4,5,6 | 38–57%7 | Up to 73%1 | 20–30%8 | 40–90%10,11 | Low | Low | Not fatal |
Vaccination available | Y | UK licensed | Y | Y | Y | Y |
Y—available in affected countries
EEEV, Eastern equine encephalitis virus; JEV, Japanese encephalitis virus; MVEV, Murray Valley encephalitis virus; RRV, Ross River virus; VEEV, Venezuelan equine encephalitis virus; WEEV, Western equine encephalitis virus; WNV, West Nile virus