WHO Declares Hepatitis D as Carcinogenic
In July 2025, the World Health Organization’s International Agency for Research on Cancer (WHO-IARC) classified hepatitis D virus (HDV) as carcinogenic to humans, highlighting its strong link to liver cancer and urging increased screening and access to treatments.
What is Hepatitis D?
- A liver infection caused by hepatitis delta virus (HDV).
- HDV cannot exist on its own — it requires hepatitis B virus (HBV) to replicate.
- An infection can occur as:
- Coinfection: HDV and HBV acquired together.
- Superinfection: HDV acquired after an existing HBV infection.
- Can be acute (short-term, weeks to months) or chronic (lasting beyond six months).
Why is this significant?
- HDV raises the ....
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