When does hiv rna pcr / viral load test can be taken after exposure? Can I take the test after 20 days? Or do I have to take the test between 7 to 14 days only? Will the test be false neg if I take after 14 days due to antibodies against the virus?

Dr. Ketan RanpariyaHIV Specialist13yrs exp

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HIV viral load test can not be use for new diagnosis There is one concept of Window period that means if some infective micro organism enter into our body and you test on next day your report comes negative even even micro organism present in your body. Test will come positive after overturn number of day, weeks or months onky every disease and every test have different window period hiv 1 pro viral dna QUALITATIVE test has window period of 17 days that means you have to do this test only after 17 days to get accurate result HIV DUO has 3 month window period RAPID HIV ELISA AND OTHER CARD TEST HAS 6 month window period same way HBsAg, HCV and VDRL has window period of 3 month so you have to do it after 3 month of exposure. For more one to one personal counselling opt for online consultation so I can solve all your query personally it s not possible to discuss all this thing public platform so better you opt for online consultation so we can discuss personally all thing thing in depth.  

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