09/03/2024
Disease alert!!
Eastern Equine Encephalitis (EEE) has been reported throughout the state of Florida including Marion, Volusia, Seminole and Lake counties. Is your horse vaccinated??
All Florida equids should be vaccinated for Encephalitis Viruses and West Nile Virus every 6 months due to the high mosquito population and high disease prevalence in this state. This includes horses, miniature horses, donkeys, mules and even zebras! The exceptional amount of rain we have every summer leads to an overabundance of mosquitoes.
The mosquito acquires EEE after it has fed on a bird that is carrying the virus. In the horse, the virus incubates for roughly 1 week before symptoms are seen. Early symptoms are subtle and include fever, depression, stiffness and lack of appetite. Neurological symptoms follow quickly after; such as circling, head pressing, a "sawhorse" stance, irritability toward handlers, acute blindness, abnormal chewing and head tilting. However, some horses may fail to show any signs before suddenly dying.
Because Eastern Equine Encephalitis is a virus, there is no cure for the disease, only prevention. Thankfully the vaccine is highly effective. If a horse does become ill with the virus, supportive care is the only option. However, mortality rates in an unvaccinated horse despite supportive care are 70-90%. Please make sure your horse is immunologically prepared for this disease! If you aren’t sure, please call us and we can check your horse’s records for you.
Dr. Becca Adkins