Recent Advances in Protective Vaccines against Hepatitis Viruses: A Narrative Review.

Vaccination has been confirmed to be the safest and, sometimes, the only tool of defense against threats from infectious diseases. The successful history of vaccination is evident in the control of serious viral infections, such as smallpox and polio. Viruses that infect human livers are known as hepatitis viruses and are classified into five major types from A to E, alphabetically.

Changing Patterns of Hepatocellular Carcinoma after Treatment with Direct Antiviral Agents.

Introduction: The impact of direct antiviral agents (DAAs) on the development of hepatocellular carcinoma (HCC) is controversial. One important aspect of this controversy is the changing pattern of HCC.

Objective: In this study, we attempted to assess the changes in the pattern of HCC after treatment with DAAs.