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The Western blot test is a laboratory method used to detect specific proteins in a sample, commonly used for confirming the presence of antibodies against HIV. It involves separating proteins by gel electrophoresis, transferring them to a membrane, and then using labeled antibodies to identify the target proteins. This test is often performed after an initial screening test to increase diagnostic accuracy. It is particularly valued for its specificity and ability to provide detailed information about the immune response.

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2w ago

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