Doctors may order a cyclic citrullinated peptide (CCP) antibody test and other exams to confirm or rule out a rheumatoid arthritis (RA) diagnosis. A positive CCP antibody test doesn’t necessarily mean ...

A screening test can determine if a person has an infection with hepatitis B. It involves a blood test that detects antigens and antibodies for hepatitis B virus (HBV). Hepatitis B, or hep B, is a ...

SAN FRANCISCO -- There has been a lot of talk about testing for the coronavirus, but you may not entirely understand what the different tests are for. The coronavirus makes some people sick, some ...

Mononucleosis tests can detect antibodies directed to viruses that cause mononucleosis. Usually, a doctor recommends these tests when someone has symptoms of the disease. People often refer to ...

Antibody tests are seen as a valuable tool in helping medical experts in the battle against COVID-19. But the process also has limitations. EveryDay Healthcare in Fresno, California is one of the ...

Lawmakers worry about the reliability of the tests as states reopen. Democratic lawmakers are questioning the accuracy of a number of coronavirus antibody tests seen as crucial to reopening the ...

As the new coronavirus burns its way across the world, scientists are rushing to find ways to identify those who have been infected — including those who have recovered from COVID-19. Those people, ...

Population screening of asymptomatic persons with Epstein–Barr virus (EBV) DNA or antibodies has improved the diagnosis of nasopharyngeal carcinoma and survival among affected persons. However, the ...