"Duo test is 4th gen test. Average time need to develop Antibodies is 21 days and antigens are start developing after infection within 2 weeks. Antiboides starts after 2 weeks. Since Duo looks for both antibodies and antigens P24.
"I had 3 uprotected with CSW but Negative at 15 weeks. I'm going to test again after 20weeks again hope will come back negative again. I have marriage soon so worried.
I also got CD4 its absolutely normal."
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