Mosquito-borne horse infections rise in Louisiana

| 20 July 2012 9:37 am | 0 Comments
Louisiana Department of Agriculture and Forestry Commissioner Mike Strain.

Louisiana Department of Agriculture and Forestry Commissioner Mike Strain.

An increase in mosquito-borne virus infections in horses has prompted Louisiana Department of Agriculture and Forestry Commissioner Mike Strain, DVM, to warn owners to vaccinate their horses.

Eighteen horses to date  have fallen victim to Eastern Equine Encephalitis (EEE) and West Nile Virus (WNV).

“The rain we’ve been having creates breeding grounds for mosquitoes,” Strain said.

“If a mosquito bites an infected bird, Eastern Equine Encephalitis or West Nile can be spread to horses, dogs, cats even alligators and, of course, humans.”

The mosquito-transmitted diseases can cause inflammation or swelling of the brain and spinal cord.

So far this year, the department’s Office of Veterinary Health has reported eight WNV and 10 EEE cases in horses.

“Horses are infected the same way humans become infected, by being bitten by infected mosquitoes,” Strain said. “We want people to also be mindful of mosquitoes and to take preventative measures to stay safe.”

Infected horses may show lethargy, weakness, paralysis or even death.

Prevention includes avoiding mosquitoes, using mosquito repellants that are safe for horses and humans, and vaccination for horses. So far, there is no vaccination approved for people.

Ten cases of WNV have been reported in humans so far this year.

“We need to follow the One Health concept in which we battle these deadly diseases together in an effort to keep humans and animals safe,” added Strain.

Horse owners should contact their local veterinarian regarding proper vaccination protocols during this time of increased risk.



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