Renowned Denver producer and photographer had to miss son’s wedding due to West Nile virus. His advice: protect yourself from mosquitos.

According to Naresh Mandava, MD,  chair of the Department of Ophthalmology at the University of Colorado School of Medicine, the West Nile virus is a neurotrophic virus which means it primarily affects the nervous system. For patients like Sonny Hutchison with immunosuppressed systems, it can lead to temporary or — in rare instances — permanent vision problems.