besides la crosse virus, other arboviruses producing similar disease in a similar geographic location include first and foremost west nile virus, powassan virus, eastern equine encephalitis virus, saint louis encephalitis and western equine encephalitis virus, the latter two not being reportable to cdc. for 2013, cdc reported that of 22 jcv disease cases, 15 (68%) were neuroinvasive, which is a slightly higher percentage than for west nile virus (51%), but less common than for the other arboviruses, with la crosse virus being 91%, eastern equine encephalitis virus 100% and powassan virus 80% neuroinvasive.