blog posts West Nile Virus confirmed in Evanston Jul 14, 2014 8:00 am by jmu@illinois.eduNatural History Survey Share on Facebook Tweet Email Images The Illinois Natural History Survey Medical Entomology Lab has reported the first positive tests for West Nile Virus this year from samples collected in Evanston. For more information, visit the Medical Entomology Program website. Share on Facebook Tweet Email