AdvertisementResearchers Find Herpes Viruses In Brains Marked By Alzheimer's Disease03:17Download AudioResumeJune 21, 2018Jon HamiltonfacebookEmailSeveral circular herpes virus particles are seen near a cell membrane. Roseola herpes virus causes a childhood illness marked by skin rashes and now has been found in brains with Alzheimer's disease. (NCI/Science Source)