Hello I took a hiv 2 test QPCR  the test came back. Not  detected. But there was comment saying lower limit of detection  is 500 copies and they are saying to retake the test in 3 weeks. My doctor  told me  no need to retake since I took 4th generation for hiv1 and hiv2. Do you suggest  I need to retake. Is it possible to have viral load under 500 copies for hiv 2 ?and  is it possible to have undectabale  anitbodies for hiv 2?Thank you 

I'm sorry these issues continue to concern you. HIV2 is very rare in the US, and in all countries outside tropical east Africa. Last I heard, there had been only a couple hundred HIV2 infections documented in the US, almost all in persons who acquired the virus in east Africa; and few if any cases even in their sex partners. So i agree with your doctor:  there probably was no reason to test  you for HIV2 (or maybe even HIV1 -- you don't say the nature of the exposure you are concerned about). It is not possible to have undetectable antibodies to HIV2 useing the standard AgAb (duo, 4th generation) blood tests if done more than 6 weeks after exposure. And probably not to have HIV2 with under 500 virus copies.---
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I had unprotected vaginal  sex in the USA. About six weeks later I had a sore throat for 10 weeks. Most recently  I have night sweats and I noticed more veins in my lower legs and have muscle pain and muscle twitching  in my lower legs. Thanks 

Sounds like a very low risk exposure. Even among the most sexually active women in the US, on average only 1 in 1,000 has HIV. And the average stransmission risk, if the woman is infected, is once for every 2,500 episodes of unprotected vaginal sex. So your risk of catching HIV was in the range of 1 in 2.5 million. As for your symptoms, the sore throat started too late:  if caused by HIV from that exposure, it would have started within 2 weeks. and the other symptoms are very nonspecific and really do not suggest HIV at all. And you cannot have HIV symptoms with a negative antibody test. (The symptoms of recently acquired HIV are due to the immune response, including antibody -- not to the virus itself.)---

Hello doc, I just dont feel good my pant size has gone down 2 inches and I've lost a lot of muscle mass on my legs.are you sure it can be lipoatrophy?

In two threads, I have been doing my best to reassure you with thoughtful, science based advice. You keep rejecting it. Would you feel better if I said your concerns are correct, that you have HIV2? Sorry, I'm not going to do that. As discussed repeatedly in your previous thread and above, with the negative HIV tests you have had you cannot have HIV symptoms -- including weight loss or "I just don't feel good". (If in theory you had HIV with low viral load, that would also mean no symptoms:  nobody with HIV and an undetectable VL is likely to have symptoms due to HIV.)

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