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2 years ago i had unprotected sex with a guy who's hiv+ but not on medication (i did not take prep) . A few weeks after that i had sore throat Headache Runny nose Swollen lymph node Back rash
I did the 4th Generation HIV Ag/Ab duo test
28th day: inconclusive/indeterminate
at one year negative
at 2 years negative
I doubt my two negative results and tend to believe the inconclusive one because of my ongoing symptoms for the past 2 years: Persistent Lymph nodes Oral thrush Chronic Sinusitis Joints pain Lipoatrophy.
I know that hiv is not diagnosed by symptoms but i did blood test which shows nothing is abnormal which can explain that it has to be hiv that causing my symptoms(spear me the you have anxiety comments) . My question is why does the 4th generation ag/ab duo test won't detect the infection after 2 years?(did not had another exposure) do i need a PCR test?
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helpline-volunteer
Hi there, 

Thank you for your inquiry. From what we gather from the information, you were asking why the  4th generation ag/ab duo test won't detect HIV in your system after 2 years. 

The sensitivity and specificity of the fourth-generation tests approach 100 percent for patients with chronic-HIV (1). 

If you have received a negative test result from the 4th generation test 2 years after exposure, you may confidently consider yourself to be living without HIV. 

For this reason, we would recommend you do not require further testing for this scenario. 

All the best, 

AIDS Vancouver Online/Helpline, Cody 

4th Generation Information (1)

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