Why do some tests for antibody in serum (such as for HIV and syphilis) require backup verification

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Why do some tests for antibody in serum (such as for HIV and syphilis) require backup verification with additional tests at a later date?

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Foundations in Microbiology

ISBN: 978-0073375298

8th edition

Authors: Kathleen Park Talaro, Barry Chess

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Question Posted: Jun 19, 2015 01:39 AM

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Why do some tests for antibody in serum (such as for HIV and syphilis) require backup verification

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Foundations in Microbiology

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