162. S/sx parvovirus B19 / Features of Colorado tick fever, ddx December 30th, 2007 by reuben in tick / lyme Back Top Tags: card 161. Features of HHV-6 / Herpes B virus / Why should genital warts be removed? 163. Rotavirus characteristics / Encephalitis ddx Leave a Reply Cancel reply Please post any discussion to the emupdates Reddit page.