Eastern Equine Encephalitis in Florida: 11 horses affected to date - Outbreak News Today | Outbreak News Today Outbreak News Today
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The Equine Disease Communication Center (EDCC) reported on July 5, a new EEE case was confirmed in Jefferson County, Florida. The 1 year old colt had received one previous vaccine against EEE and had no recent travel history. Clinical signs began on June 24 and the horse was euthanized for humane reasons the following day.

Florida map/National Atlas of the United States

Florida map/National Atlas of the United States

To date, eleven confirmed EEE cases have been reported in Florida in six counties– Jefferson (2), Osceola (2), Palm Beach (1), Polk (4), Walton (1) and Washington (1).

No human EEE cases have been reported in Florida this year to date.  In 2016, positive samples from 39 sentinel chickens  have also been reported.

EEE causes inflammation or swelling of the brain and spinal cord and is usually fatal. Symptoms include impaired vision, aimless wandering, head pressing, circling, inability to swallow, irregular staggering gait, paralysis, convulsions and death. Once a horse has been bitten by an infected mosquito, it may take three to 10 days for signs of the disease to appear.

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