WHO officially classified Hepatitis D virus as carcinogenic:
The World Health Organization (WHO) and the International Agency for Research on Cancer (IARC) have officially classified Hepatitis D virus (HDV) as carcinogenic, placing it in Group 1 — known causes of liver cancer, alongside Hepatitis B and C.Hepatitis D is a blood-borne viral infection that requires the presence of Hepatitis B virus (HBV) to replicate. HDV cannot exist independently and occurs as co-infection (simultaneous with HBV) or superinfection (after existing HBV).
