ELISA/Western blot tests look for HIV antibodies. These tests can be falsely negative in the early stages of infection before antibodies are produced. False positives are uncommon but ruled out by confirmatory tests.
ELISA和Western blot試驗用於檢測HIV抗體。在感染早期，抗體尚未產生時，這些試驗可能出現假陰性結果。理論上，假陽性結果較少，但會通過後續確認試驗排除。
| Front | HIV diagnosis ELISA/Western blot tests look for ? When would these be false negative? When would these be false positive? |
|---|---|
| Back | falsely neg because early on Ab are not made yet |
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