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Mosquito Pool from Eastern Calcasieu Parish Tests Positive for Eastern Equine Encephalitis

Mosquito Control urges residents to get their horses vaccinated

Post Date:09/06/2019 4:34 PM

Calcasieu Parish Mosquito Control received confirmation from the state that one of the mosquito pools from Eastern Calcasieu Parish - collections of mosquitoes from different areas in the parish - has tested positive for the Eastern Equine Encephalitis – or EEE.

“We want to make residents aware of the presence of EEE, and to make sure they take personal precautions and that they vaccinate there horses,” said Scott Harrington, Calcasieu Parish Mosquito Control Manager. 

Christine Scott-Waldron, a Vector-Borne Disease Surveillance Coordinator with the Louisiana Department of Health, recently reported there is an elevated level of EEE activity in horses in the state that has not seen since 2012.

“From January to now, there have been 21 confirmed cases of EEE in horses and one horse reported with West Nile Virus,” Harrington said. 

In addition, the state reported that out of the 664 mosquito samples (pools) submitted for testing, 12 were found to be positive for virus activity. No positive West Nile Virus mosquito pools  were found in Calcasieu this week.

Here’s a breakdown of parishes and numbers:

  • Ouachita - 5 West Nile Virus
  • St. Tammany - 1 West Nile Virus, 1 Eastern Equine Encephalitis
  • Iberia - 2 St. Louis Encephalitis (SLE)
  • Ascension - 2 West Nile Virus
  • West Baton Rouge - 1 West Nile Virus.

A reminder to all residents to always use mosquito repellent and if possible, wear long sleeves and pants when going outdoors - especially at dawn and at dusk. Also, mosquitoes typically lay their eggs in water, so make sure to dispose of or drain any water-holding items around your home.

For more information on EEE:

For more information on WNV:

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