Answer :
Patients who express an antibody-positive result of ELISA are given a secondary verification test with a Western Blot because it tests for more antibodies and is less likely to be misinterpreted.
ELISA stands for Enzyme Linked Immuno-Sorbet Assay. It is the test performed to check for the presence of any kind of proteins like antibodies, hormones, enzymes, etc. The present substance can also be quantified. The presence of such proteins confirms the presence of antigens in the body.
Western Blot is also a laboratory test used to check the presence of proteins. It involves the usage of gel electrophoresis technique. Proteins can also be isolated using this technique.
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