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ProMED-mail | EASTERN EQUINE ENCEPHALITIS - USA (05): (WISCONSIN) EQUINE

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Published Date: 2017-07-30 20:23:35
Subject: PRO/AH/EDR> Eastern equine encephalitis - USA (05): (WI) equine
Archive Number: 20170730.5216046

EASTERN EQUINE ENCEPHALITIS - USA (05): (WISCONSIN) EQUINE
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Date: 28 Jul 2017
Source: Wisconsin State Journal [edited]
http://host.madison.com/wsj/news/local/two-horses-die-of-severe-mosquito-borne-virus/article_e5fbffd7-5307-5dfe-8945-4820568ffdd4.html


Two horses died this week after being infected with eastern equine encephalitis virus (EEE or EEEv), a severe, mosquito-borne disease, in the Tomah area, according to the Wisconsin Veterinary Diagnostic Lab.

The lab, housed at UW-Madison, discovered eastern equine encephalitis virus in the brain tissue of the horses, which were last vaccinated in the fall of 2016. The virus is deadly in horses about 90 percent of the time.

The disease can also be transmitted to humans, in rare cases. The virus, which is typically transmitted between birds, can be carried to and between horses and humans via mosquitoes. If a human contracts the virus, there is a 33 percent mortality rate, with a risk of significant brain damage in many survivors, according to the Centers for Disease Control and Prevention.

The spread of the virus is prompted by especially warm and humid weather. Last year [2016], the virus infected 19 horses in 11 Wisconsin counties, according to the Department of Agriculture, Trade and Consumer Protection.

Keith Poulsen, a large animal veterinarian at the lab, recommends that horses be vaccinated in the spring, to prepare for mosquito season.

This is the 2nd time in the past week that horses have died of mosquito-borne viruses.

The Department of Agriculture, Trade and Consumer Protection announced on Monday [24 Jul 2017] that a horse was euthanized in central Wisconsin after being infected with the West Nile virus.

[Byline: Lexy Brodt]

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[Most people vaccinate horses in the spring, but the immunity to EEE wanes very quickly, and it is recommended to vaccinate approximately every 4 months to ensure that your animal is protected. - Mod.TG

A HealthMap/ProMED-mail map can be accessed at: http://healthmap.org/promed/p/250.]



See Also

Eastern equine encephalitis - USA (04): equine 20170726.5206247
Eastern equine encephalitis - USA (03): (SC) equine 20170725.5203111
Eastern equine encephalitis - USA (02): (GA) equine 20170722.5197500
Eastern equine encephalitis - USA: (FL) 20170121.4781360
2016
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Eastern equine encephalitis - USA (28): (WI) equine 20161108.4615110
Eastern equine encephalitis - USA (27): (FL) equine 20161104.4607948
Eastern equine encephalitis - USA :(26) (SC, FL) equine 20161020.4573611
Eastern equine encephalitis - USA (25): (WI) equine 20161012.4553781
Eastern equine encephalitis - USA (24): (FL,WI) equine 20160922.4506635
Eastern equine encephalitis - USA (23): (WI) emus 20160921.4505968
Eastern equine encephalitis - USA (22): (WI,MI) equine 20160918.4496371
Eastern equine encephalitis - USA (21): (NJ,WI) equine 20160903.4462461
Eastern equine encephalitis - USA (20): (NC,NJ) equine, human 20160831.4453085
Eastern equine encephalitis - USA (19): equine 20160822.4432006
Eastern equine encephalitis - USA (18): (SC,TX) equine 20160818.4423685
Eastern equine encephalitis - USA (17): equine 20160813.4413695
Eastern equine encephalitis - USA (16): (FL,TN) equine 20160804.4394950
Eastern equine encephalitis - USA (15): (FL, SC) equine 20160728.4374635
Eastern equine encephalitis - USA (14): (FL,VA) equine 20160726.4369305
Eastern equine encephalitis - USA (13): (FL) equine 20160717.4350805
Eastern equine encephalitis - USA (09): (FL) equine 20160707.4330958
Eastern equine encephalitis - USA (07): (FL,SC,VA) equine 20160630.4319558
Eastern equine encephalitis - USA (03): (FL) equine 20160519.4233254
Eastern equine encephalitis - USA (02): (FL) equine 20160415.4162762
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