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8 weeks and 80 days HIV negative can be consider conclusive ?


Hi, im from malaysia , age 28 male , my english is very poor hope you understand. I had a high risk unprotected with a girl work at KTV 81 days ago , i got tested for HIV at 57 days at a LAB , my result came back ( HIV 1&2 ab/ag not dedected based on CMIA principle) . And I tested by ez trust rapid test at 72 days and 80 days all negative . I have no any HIV symptoms , may i know what is CMIA principle testing metho ? Can consider conclusive ? Should i go test again at 84 days or 90 days again ?


Hello there and thank you for using the AIDS Vancouver Helpline as a source of HIV/AIDS related information.
There are no clinically defined HIV symptoms; thus testing is the only way to know one's HIV status.
It is true that unprotected anal/vaginal intercourse is considered to pose a significant possibility of acquiring HIV. however, it is not guaranteed; it is still possibility.
The World Health Organization (WHO) and the international guidelines for HIV suggest 3 months (12 weeks/84 days) as conclusive with all HIV testing.Your last test was done on 80 days, which is almost to that day. Thus you may wish to take that as conclusive. Just to note, up to 95% of infections can be detectable within 4-6 weeks, and here at AIDS Vancouver, we never have heard of people receiving a changed result beyond 6 weeks.
The Chemiluminscence (CMIA) HIV test is another name for 4th generation EIA test (sometimes called DUO/Combo test as well). This test looks for both P24 antigen and antibodies. Because P24 is detectable immediately after infection (and for the first few weeks) and up to 95% of infections can be detectable within 4-6 weeks with an antibody testing, many HIV Specialists suggest 6 weeks as conclusive with this test.Being all said, you can take the test result as conclusive or you are more than welcome to retest again at 84 days, which I expect the result to be same as long as there haven’t been any other high risk activities you had in the past 84 days.
There are more than 30 sexually transmitted infections (STIs). Unlike HIV, some STIs, namely syphilis, Chlamydia and Gonorrhea, are very common and easier to transmit. If you have not been tested for all STIs, I strongly suggest you to do so. Here at AIDS Vancouver, we encourage all the people who are sexually active to get tested for all STIs, including HIV, regularly. It may be every 3-4 months, bi-annually or annually, depending on an individual.
Hopefully you find the information helpful.If you have any other questions/concerns please feel free to write us back. 
Stay healthy and keep smiling,YoshikoAIDS Vancouver Helpline VolunteerE-mail: helpline@aidsvancouver.orgPhone (Mon-Fri 9-4pm): (604) 696-4666Web: www.aidsvancouver.org/helpline