Chronic Hepatitis B virus (HBV) is associated with elevated levels of hepatitis B surface antigen (HBsAg). Here the authors characterize the T cell responses to three variants of an HBsAg ...

Finally, a recent breakthrough has been the ability to produce nonreplicating, recombinant virus-like particles ... of the three-dimensional structure of antigens and antigen-antibody complexes ...

The microbiologic confirmation of RSV infection is based on detecting the virus in a sample of wash ... that rely on the detection of viral antigens. First, immunofluorescence (IF) assays have ...

Respiratory syncytial virus (RSV) is the most important cause ... nucleic acid amplification and immunofluorescence assays); however, rapid antigen-detection tests offer potential advantages ...