ELISA 4th Generation DUO

Originally Posted: 
Friday, July 6, 2012
Question: 

 

Hi volunteer,
 
I had unprotected oral sex but protected vaginal sex with a sex worker 2 weeks ago. So two weeks later (15 days) I went to do a ELISA 4th generation duo test, and the result came out negative. Do you think this result is reliable? I know the official testing is the antibodies test 3 months after exposure but I have great anxiety and can't sleep well every night
 
Thanks
Answer: 

 

Hi there,

Thank you for using AIDS Vancouver as your source of HIV/AIDS related information.

Before addressing your concern, I would like to note that whether one is HIV+ or - is not determned by their occupation, ethnicity, gender or sexual orientation.

Rather ,what you do (unprotected vaginal/anal intercourse) with anyone poses significant risk of acquiring HIV.

So having protected sex with a sex worker is a low risk activity.

Having protected vaginal sex is considered a low risk activity for passing HIV. Giving unprotected oral sex is a low risk activity, while receiving unprotected oral sex is a negligible risk activity (meaning there haven't been any reported cases in history).

The 4th generation antigen/antibody test has a window period of 4-12 weeks, and is considered conclusive by practitioners at 6 weeks. It has an accuracy of 99.9%.However, International Testing guidelines do recommend re-testing at the 3 month period to obtain conclusive results. Thus, I would suggest re-testing at this point to ensure you receive accurate results.

Based on the activities you engaged in, I would not expect the results to change.

I hope this helps calm your mind. We do encourage anyone who is sexually active to have regular STI testing done to ensure the safety of yourself and your partners.

In Health,

Sasha

AIDS Vancouver Helpline Volunteer

E-mail: helpline@aidsvancouver.org

Phone (Mon-Fri 9-4pm): (604) 696-4666

Web: www.aidsvancouver.org/helpline

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