Serology - Definition

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Serology is a biological method using serum to make medical diagnoses. The serum is a component of blood plasma. During a blood test, the biologist will analyze serum. Serology can diagnose infectious diseases, autoimmune diseases, to determine blood groups, to follow the evolution of diseases, check immunizations. In addition, serology is a screening tool, especially for AIDS or hepatitis, and an epidemiological tool.