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Conclusive at 21 days post exposure?

Question: 

HIV 1 rna qn rt pcr is this tear consider conclusive at 21 post exposure?

Answer: 

Hello,

Thank you for your inquiry. From what we gather from the question, you were asking about whether the HIV 1 RNA, QN PCR test is conclusive at 21 days post exposure. This is an HIV test that detects the genetic material of HIV itself with a window period of 2-3 weeks after exposure. It is conclusive at 21 days after exposure with a 99.6% accuracy.

Regards, AIDS Vancouver Helpline/Online, Ashley