Red flags – West Nile Virus IgM ELISA. Green flags – West Nile Virus PCR (Brain; testing performed by Texas DSHS)
Blue flags – Eastern Equine Encephalitis
The flags are located in the county seat, not the exact location of the confirmed case.
As of December 8, 2016, TVMDL has confirmed 129 horses positive for West Nile Virus in Texas. The positive horses are located in 71 counties with most cases in Eastern Texas. There are also six confirmed cases of Eastern Equine Encephalitis in Texas. The counties with positive WNV cases are listed below:
WNV IgM ELISA Positive Counties
WNV PCR Positive Counties
Eastern Equine Encephalitis (EEE) was found in:
*more than one case in that county
Vaccination for WNV and other neurologic diseases like Eastern and Western Equine Encephalitis is recommended. Additionally, Equine Herpesvirus-1 cases have been confirmed in several states in 2016; this neurologic disease has similar clinical signs as those diseases stated above.
TVMDL offers veterinarians diagnostic testing options to aid in diagnosing a horse that exhibits neurologic clinical signs.
- Equine Encephalitis Panel (WNV,EEE, IgM-capture ELISA)
- West Nile Virus (qPCR or IgM Capture ELISA)
- Eastern Equine Encephalitis IgM (ELISA)
- Equine Herpesvirus-1 (qPCR)
For more information on West Nile Virus or other TVMDL’s services, call 888.646.5623 or visit tvmdl.tamu.edu.