Evaluation · Q29
Q.A person is infected by HIV. How will you diagnose for AIDS?
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Start your 14-day free trial to unlock the full solution →Step 1. The chapter describes a simple blood test that can determine whether a person has been infected with HIV.
Step 2. The first test used is the ELISA test (Enzyme Linked ImmunoSorbent Assay), which detects the presence of HIV antibodies in the blood; it is described as a preliminary test.
Step 3. Because a preliminary test alone is not conclusive, a Western blot test is then performed — this is described as more reliable and a confirmatory test, and it works by detecting the virus's core proteins rather than antibodies. …
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