Individual tests

Immunoglobulin A (IgA) is mainly found in saliva, tears, respiratory and gastric secretions, and breast milk. IgA protects against infection in the respiratory tract (sinus and lungs) and the gastrointestinal tract (stomach and intestines). This test checks your immune system for disorders if you are often sick with infections or diarrhea and can help detect certain types of cancer.
IgG antibodies are essential for fighting bacterial and viral infections. Most of the immunoglobulins in your blood are IgG. This test helps check your immune system health if you are often sick with infections or diarrhea. It also detects certain types of autoimmune disorders and cancer.
IgM (Immunoglobulin M) are your immune system's largest antibodies. They provide general but short-term protection against new infections. This test checks immune system health if you are frequently sick with infections or diarrhea and helps detect autoimmune disorders and certain types of cancer.
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