Anonymous
Hi aids vancouver,
several weeks ago i visiting message parlour. exposure i have to at those time is oral sex.
and on 6 week i try to test my self. result is negative. on those test written if they use advance intec i notice is not very realible test kit. from what i hear, its not approved on FDA.
after 7 week, i begin to develop several skin rash around my chest, shoulder, and several other places.

now its been 12 week after exposure, and i wait until end of this month to test again.
may i know what chance i catch HIV from this point?
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Anonymous
Hi there and thank you for reaching out to AIDS Vancouver with your questions! We're happy to help.

Since you have not specified whether you were giving or receiving oral sex, I will address both scenarios.

If you were receiving oral sex, this would be considered a Negligible Risk. This means that while it is theoretically possible to acquire HIV in this scenario, there has never been a confirmed report. If you were giving oral sex, this would be considered a Low Risk. This means that there have been a few reports of infection attributed to these activities, but usually under certain identifiable conditions (such as the condom breaking, for example).

Here is the information we have regarding home testing:

Home Testing

This is not a reliable method of testing and is not approved for use in Canada. In terms of tests, Canadian guidelines considered all tests conclusive 3 months (12 weeks) after your most recent exposure. If you are looking to get re-tested, here are a few reliable methods of testing that you give you conclusive results:

Test Name Method Window Period Conditions
Home Testing Oral swab or finger prick blood test. Unknown Home testing is not approved for use in Canada and is not endorsed by AIDS Vancouver. Home testing frequently results in false positives and negatives and does not provide an opportunity for pre- and post-test counselling.

Test Name Method Window Period Conditions
4th Generation EIA Blood test that looks for antibodies AND p24 protein antigens. Commonly referred to as the "combination," "combo" or "DUO" test. P24 protein is detectable immediately after infection but only for the first few weeks. The antibody (ab) test has a window period of 4-12 weeks post exposure. This test is widely available in North America. Most HIV specialists consider this test to be conclusive at 6 weeks but official HIV testing guidelines still recommend re-testing at 12 weeks for conclusive results. Conclusive at 3 months post exposure.

Test Name Method Window Period Conditions
Rapid or “Point-of-Care” Blood or oral swab 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. The rapid test is a type of 3rd Generation test. Two forms available: finger prick blood sample or oral swab. Oral swab test is most common in the U.S. but due to false positives in Canada it is not approved and blood collection is more likely. Many places in the U.S. and abroad may charge a fee for rapid testing. Conclusive at 3 months post exposure.

Now, in terms of your symptoms: there are no specific symptoms of HIV. In fact, certain individuals may never develop symptoms, and for those who do, most symptoms will go away after a few days, or at most, a couple of weeks. Because HIV symptoms mirror so many other viral infections or can be explained by other things, we do not go by symptoms here at AIDS Vancouver. If this symptoms are causing you distress, it would be a good idea to consult a health care professional in order to determine their cause.

I hope I have answered your questions, and feel free to contact us with any further concerns.

Regards,

Sierra, Helpline Volunteer

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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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.