Background The hepatitis delta virus (HDV) causes the most aggressive form of chronic viral hepatitis. As HDV replication requires hepatitis B virus (HBV), HDV screening is limited to HBsAg+ carriers. To date, individuals ...

Nearly 1 million people become infected every day with any of the four major curable sexually transmitted infections (STIs), namely trichomoniasis, chlamydia, gonorrhea, and syphilis. Despite huge global incidence, STIs ...

Background. Little is known about the influence of ongoing barriers to care in the persistence of hepatitis C virus (HCV) viremia after treatment with direct-acting antivirals (DAAs) among people living with human ...

Background: Human retroviruses HIV and HTLV share transmission routes. HIV widely spread in Spain during the 80 s through injection drug use and sex, and nowadays HIV rates in Spain account for one of the largest in Europe. ...

Introduction Occult hepatitis B virus (HBV) infection, so-called occult B infection (OBI), is defined by the recognition of HBV-DNA in the absence of serum hepatitis B surface antigen (HBsAg). The HBV-DNA genome in OBI is ...