Perinatal transmission and breastfeeding and through blood transfusion, sexual contact, and use of intravenous drugs. Epidemiology<unk> 1 and<unk><unk>  are both involved in actively spreading epidemics, affecting 15-20 million people worldwide. 4 In the United States, the overall prevalence is<unk> 2 per 100,000 population, with<unk><unk>  more common than<unk> 1. Data collection performed from<unk> 000 to<unk> 009 among US blood donors has shown a general decline since the 1990s.
Human T-lymphotropic virus 2
Kaposi's sarcoma-associated herpesvirus
Human T-lymphotropic virus 1
Trichodysplasia spinulosa polyomavirus
Human herpesvirus 6
Human betaherpesvirus 7
Human betaherpesvirus 5
Oncolytic adenovirus