Tomorrow is World AIDS Day. Much is going on here in Pittsburgh. Highmark has gone red.( Pittsburgh ) red Activities:show your support by wearing red December 1!7 am - 7 pmFree HIV testingPittsburgh AIDS Task Force5913 Penn AvenueEast Liberty10 amMayor’s pressconferenceCity-County Building414 Grant StreetDowntown Pittsburgh10 am - 5 pmAllegheny County Heal thDepartment Mobile TestingUnit -