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A 27-year-old male asked:

Hiv rna pcr test taken at 13 days post exposure result was negative. i am taking 4th gen ab/ag test at 28 days is the result likely to change or is the hiv rna pcr pretty reliable at 13 days?

1 doctor answer1 doctor weighed in
Dr. Birendra Tandan
Urology 34 years experience
It is reliable. Good chance later test will also be negative. Pl use precautions with sex.

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FL
A 27-year-old male asked:

My Hiv RNA PCR test taken at 13 days post exposure result was negative. I am taking 4th gen ab/ag test at 28 days is the result likely to change or is the hiv rna PcR pretty reliable at 13 days?

1 doctor answer1 doctor weighed in
Dr. Hiep Le
Dr. Hiep Leanswered
Nephrology and Dialysis 42 years experience
It's likely the fourth-generation HIV test at 28 days will be negative as well and it can be used as a confirmation which completely rules out HIV infection.

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Last updated Jun 23, 2021

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