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Lyme Disease Tests
If you were exposed to ticks and you get an expanding, circular rash (erythema migrans), your doctor may treat you for Lyme disease without doing a blood test. Blood tests done in the first few weeks may not show Lyme disease even when you have the illness. This is because the body's immune system responds slowly to the...
Discusses antibody test used to detect Lyme disease. Covers two types of test (enzyme-linked immunosorbent assay and Western blot test). Covers why and how they are done. Includes info on what results mean.