A surveillance program for the detection of hepatitis B virus (HBV) resistance to tenofovir (TDF) in HIV-HBV co-infected patients

Project no.: HIV-NAT 098/TDF surveillance

This is a prospective, observational study in a multi-centre, international cohort surveillance study for the detection of hepatitis B virus (HBV) resistance to tenofovir (TDF) in HIV-HBV co-infected patients