Is it convenient to talk at the moment? http://xhamster.in.net/ xhamster live  Both WNV and EEE are caused by viruses transmitted by mosquitoes, and both may cause encephalitis, or inflammation of the brain. EEE kills about 90 percent of horses that it strikes, and WNV kills in more than a third of all equine cases. Symptoms are similar for both diseases: depression, appetite loss, drooping eyelids and lower lip, fever, weakness, twitching, paralysis or lack of coordination, aimless wandering, circling and blindness.