Medically reviewed by Renee Nilan, MDMedically reviewed by Renee Nilan, MD Deciding on antigen vs. antibody tests when ...

Blood types exist because red blood cells, which relay oxygen through the bloodstream, carry different proteins and sugars on ...

Typically, HIV tests are performed on blood, oral fluids, or urine samples. 6 HIV screening is performed by various ...

Antibodies bind to specific antigens on pathogens. This means that only one type of antibody will bind to a matching antigen. Scientists discovered that we could make antibodies to bind to ...

The immune system makes a wide range of antibodies. These are proteins that bind to specific antigens on target cells, such as bacteria. Monoclonal antibodies work similarly, binding only to ...

Immunotherapies use antibodies—proteins that bind to cell markers called antigens—to target and eliminate the antigen. But despite how effective immunotherapy can be, it isn't widely used ...