A hypersensitivity reaction happens when the immune system mistakenly identifies harmless substances as harmful. There are several types of hypersensitivity reactions, depending on the class of ...

Antigens and antibodies play vital but distinct roles in illness and disease. One tries to wreak havoc on our health while the other fights to protect it. Simply put, antigens can make you sick, and ...

As a basic description, an antibody can be described as any molecule that has epitopes (antigenic sites) that fit with corresponding antibodies, initiating an immune response. Antigens come in many ...

Antibodies are disease-fighting proteins that play a crucial role in the immune system. Antibodies recognize infectious invaders, such as bacteria and viruses, and help the body eliminate them.

When a person is vaccinated with a suspension of killed or weakened virus particles, his system is stimulated to produce antibodies against that particular virus. If he should later be infected with ...

Several types of antibody-mediated diseases are known. Some are thought to be adverse effects of vaccination, which is logical since vaccines, by definition, cause their effects via stimulation of the ...

PLS (passenger lymphocyte syndrome) is a potentially life-threatening risk in lung transplants that has hardly been researched and is often underestimated in clinical practice. However, the ...