IgG antibodies make up the largest group produced during a secondary immune response.
Immunoglobulin G (IgG) is a one type of antibody, and it is present in blood and human body fluids. IgG protects the body against bacteria and viral infection. It helps to build the immune system, which is very important for protecting the organism from foreign agents like bacteria, viruses, fungi, etc.
The secondary immune response is the most important feature of the immune system. During the secondary immune response, the immune system is able to eliminate the antigen, which has been discovered by the individual during the primary invasion, more rapidly and efficiently.
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