Hepatitis A blood tests check for immunoglobulin M (IgM) and immunoglobulin G (IgG) antibodies. An IgG-positive and IgM-negative result may suggest immunity to hepatitis A. A doctor may request a ...
Measuring antibody levels in the blood could be used to detect a person's heart attack risk after researchers, part-funded by the British Heart Foundation (BHF), discovered that higher levels of these ...
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