New equine West Nile virus (WNV) cases have been identified in three states. All positive horses are unvaccinated.
In Bannock County, Idaho, a 5-year-old Quarter Horse mare tested positive after becoming mildly ataxic on Aug. 12. She is still alive.
In Porter County, Indiana, a 19-year-old Miniature Horse mare tested positive after developing clinical signs on Aug. 8, including ataxia, difficulty getting up and down, muscle fasciculations, and dull mentation. She is currently recovering…