Viral Hepatitis C - Antibodies Neutralizing Peginterferon Alfa during Retreatment of

Antibodies Neutralizing Peginterferon Alfa during Retreatment of
New England Journal of Medicine - To the Editor: Peginterferons are widely used to treat chronic hepatitis C virus (HCV) infection, an important cause of liver cirrhosis and hepatocellular carcinoma. 1 , 2 , 3 , 4 We describe a patient who did not have a virologic response to