Vaccination may be the furthest thing from your mind this fall, but the rigors of travel, training and performance may be taking a toll on your horse, lowering his ability to fend off illness. Performance horses traveling and in contact with many different horses and environments will likely need fall booster vaccinations. These vaccinations are administered to help prevent highly contagious diseases such as equine influenza virus and equine herpesvirus. Late summer and fall is also prime mosquito season, which means an increased risk of our horses contracting serious and often fatal diseases like Eastern and Western Equine Encephalomyelitis (EEE, WEE), and West Nile virus (WNV), which are transmitted by…