Nation Eastern equine encephalitis: Mom shares how she survived the rare mosquito-borne virus September 10, 2019 Kristen Jordan Shamus, Detroit Free Press Comments Off on Eastern equine encephalitis: Mom shares how she survived the rare mosquito-borne virus Michigan is seeing a flare-up this year of Eastern equine encephalitis, the virus that Kaylee Hardenbrook said turned her brain to mush.