This antibody, which was of the IgG class, fixed complement, and its concentration decreased and then increased after one of the reactions. We postulate that an antigen–antibodycomplement ...

Although the media and the public are worried about the infectious risks of transfusion, hemovigilance reports show that antigen-antibody reactions are responsible for the vast majority of acute ...

Induces potent and long-lasting immune responses to defined antigens or whole pathogens (particles), mainly through the ...

They don't yet know whether this chain reaction ... some of the antibodies were not binding directly to the HIV viral antigen, but to immune molecules on its surface. "These antibodies actually ...

Many vaccines work by introducing a protein to the body that resembles part of a virus. Ideally, the immune system will ...

An antibody is a protein made by the immune system to help defend the body against harmful invaders like bacteria and viruses. When the body detects a foreign substance, known as an antigen, ...