hep hepatitis infection active hiv virus known immunodeficiency human positive hepatitis hiv immunodeficiency virus human known positive active history serology seropositivity hiv immunodeficiency virus human known history infection hepatitis patients hepatitis ml copies viremic iu dna deoxyribonucleic carrier virus active viral hepatitis bacterial fungal infection hiv immunodeficiency virus human active positivity hiv immunodeficiency virus human known hepatitis procurement history active virus infection hepatitis active immunodeficiency human hiv known positive chronic immunodeficiency hiv virus human infection negative history donor antibody patients hepatitis virus infection active known hiv evidence reactivation positive history hepatitis virus immunodeficiency human hiv infection known active chronic history