Kindly tell the veracity of HIV 2 rna pcr post 13 days of exposure with 100IU/ml senstivity. Is it 100 percent reliable. If not which test is reliable post 30 days.

Dr. Sajeev KumarGeneral Physician32yrs exp

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The RNA PCR test and the DNA PCR test has a window period of 2-3 weeks post exposure, therefore your negative result post 13 days is a good indication of your status. Even though you only mentioned you had a PCR test, just wanted to inform you that there are 2 different types, the RNA PCR and DNA PCR. The only difference between these 2 tests is that the DNA PCR is usually used for screening babies of HIV+ mothers, and the RNA PCR is used to screen blood or organ donations.  

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