| west nile virus infection in horses in jordan: clinical cases, seroprevalence and risk factors. | the objectives of this study are to report clinical wnv infection in horses and to determine the seroprevalence of and risk factors for wnv infection in horses in jordan. in late summer and early fall of 2012, two mares were presented for evaluation of neurological signs. the first mare had hind-limb ataxia. the second mare was slightly depressed and lethargic. she had ataxia in her four limbs and cranial nerves deficits. both horses were found positive for wnv igm antibodies using commercial ig ... | 2014 | 24393369 |