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This is a question which I got from USMLE Rx which I got it wrong and I do not agree with the answer, maybe cuz I got my concepts wrong?
32-year old woman, has Pneumocystis jiroveci infection. Physician suspects patient may have HIV. WHich of the following lab techniques could determine if patient has HIV infection?
A) Northern blot
B) Southern blot
C) Western blot
D) PCR
E) RFLP
Answer was Western blot. But shouldn't PCR be a much better test?
32-year old woman, has Pneumocystis jiroveci infection. Physician suspects patient may have HIV. WHich of the following lab techniques could determine if patient has HIV infection?
A) Northern blot
B) Southern blot
C) Western blot
D) PCR
E) RFLP
Answer was Western blot. But shouldn't PCR be a much better test?