Large quantities of antibodies that react to the second entry of antigen and lead to formation of antigen-antibody complexes occurs in

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Serum sickness is characterized by large quantities of antibodies that react to the second entry of antigen, leading to the formation of antigen-antibody complexes. This can cause inflammation and tissue damage. Hemolytic disease of the newborn is caused by antibodies that attack fetal red blood cells, leading to their destruction. Anaphylaxis is a severe allergic reaction that can involve the release of mediators like histamine, leading to symptoms like hives, low blood pressure, and difficulty breathing. Delayed hypersensitivity involves a different type of immune response, mediated by T cells and occurring hours or days after exposure to an antigen.

Large Quantities of Antibodies That React to the Second Entry