Anonymous
hello whats my chance to turn positive for hiv in six months , after 6-8-10-12 weeks , 3 months and 17 weeks hiv negative , i tested with rapid test hiv1/2 i think is only for antibodies and i dont know what generation is it ??
can i move on ? please help me ...
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Anonymous
Thank you for contacting the AIDS Vancouver Helpline

It seems as though you're looking for some information on HIV testing windows after taking an antibody test.

The most commonly available tests are antibody only. These tests are reliable from 4 weeks post exposure and conclusive at 12 weeks. Antibody only tests can be administered using full blood draw in a clinic, or by pin prick or oral swab test in a testing facility or outreach centre. Here is some information about two of the most popular antibody only tests.

EIA


RAPID

Test Name Method Window Period Conditions
Enzyme Immunoassay Antibody (EIA) 3rd Generation (ELISA) Blood test that looks for antibodies. Up to 95% of infections are detectable within 4-6 weeks post exposure. Most people develop detectable antibodies in 21-25 days. Most commonly available testing method. Conclusive at 3 months post exposure.

Test Name Method Window Period Conditions
Rapid or “Point-of-Care” Test Blood or oral swab test that looks for antibodies. Blood collection is most likely in Canada (oral swab in States). 4 weeks to 3 months (although up to 95% of infections are detectable within 4-6 weeks). Most people develop detectable antibodies in 21-25 days. Two forms of rapid tests available: finger prick blood sample or oral fluids. Oral swab test is not approved for use in Canada. A lot of places in the US and abroad may charge a fee for rapid testing but it is available. Accuracy is 99.6%


There are a few, very specific instances, in which we would recommend testing again at 6 months. These are:

* Antiviral treatment for Hep C

* Chemotherapy

* PEP treatment for HIV

* Other pre-existing immunodeficiency disease

If none of these situations apply to you, then a (3rd or 4th Generation) antibody test at 3 months would be considered conclusive and no further testing is required for your encounter.
Most of the world now uses at least a 3rd Generation test, if you are unsure and wish to check, the testing centre where you took the test would be able to advise which tests they use.

I hope that this is the information you were looking for. As there was no information as to the encounter, I cannot provide you any advice on your risk of acquiring HIV, however please take a look at our [Risk Assessment Chart](http://helpline.aidsvancouver.org/question/risk-assessment-chart), which details some of the more common activities, to determine what the risk might have been.

Very best wishes

Wendy (Volunteer)

AIDS Vancouver Helpline/Online

Monday-Friday 9am-5pm (PST)

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

helpline@aidsvancouver.org

Private & Confidential**

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