Anonymous
I had a protected sex with unknow status girl.

I took a nat screening 55 days after the exposure and all result are non reactive for HIV, HCV and the other one( I just forgot the name but it was included in NAT SCREENING TEST) . Is it accurate ? especially for hcv ??

I also took Elisa for HIV test 5 months after the exposure and Non Reactive.


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Anonymous
Hello,

Thank you for contacting the AIDS Vancouver Helpline as your source for HIV/AIDS related information.

First, I would like to say how wonderful it is that you have taken the initiative for your health and well-being by getting yourself tested. HIV testing is the only way to know if you have HIV. Testing also allows you to know your status so that you can protect yourself and others. AIDS Vancouver does recommend that all sexually active people be tested on a regular basis for all STI's, including HIV.

Protected sex is considered a low risk activity. The use of a condom went a long way towards protecting you from STI's and HIV. Good job!

The NAAT test is very accurate and tests the genetic material of HIV itself. It has a window period of 2-3 weeks after exposure and is considered 95-98% accurate at 6 weeks (48 days) after the last high risk encounter. Based on the guidelines AIDS Vancouver follows, all HIV tests are considered conclusive at 12 weeks. At the 12 week mark, the NAAT test is considered 99% accurate. With that said, while your non-reactive test at 55 days was a wonderful sign it was not considered conclusive for HIV testing. However, you also had the ELISA test done at 5 months after your encounter, this test is considered conclusive as it is over the 3 month time period. Like the NAAT test, the ELISA test is also very accurate and detects HIV antibodies in your body, if present. You can trust the result from the ELISA test as it is conclusive. You are HIV negative. If you would like to read more about [HIV testing](http://www.avert.org/hiv-testing), you may click on the link provided.

AIDS Vancouver is an AIDS specific site. For information on HCV, you may refer to this[ website](http://www.catie.ca/en/hepatitis-c).

I hope I have answered your questions. Please feel free to contact us if you have any more questions.

Best wishes,

Mary

AIDS Vancouver Helpline/Online

Monday-Friday 9am-5pm (PST)

1 844 INFO-HIV (Toll free Canada & U.S.)

helpline@aidsvancouver.org

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