Anonymous
I had a protected encounter with a csw,that lasted for 1 minute . No kissing no anal or oral was performed. I did 4th generation at 2-4-6 weeks and all negative. I was moving on with my life then I saw that I have to repeat it at 3 months and I saw online that even at 3 months I’m not conclusive , I might turn positive at 4 or more months . I’m getting super worried and stressed . I have a burning sensation in my mouth and a yellowish tongue for the past 1 and half month 
is it true 3 months isn’t enough ? And is my encounter is a high risk ? Can I have symptoms at 4 and 6 weeks ( lung infection ) and still test negative? Please help me idk what to do 
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helpline-volunteer
Hi there,

Thank you for your inquiry. From what we gather from your question, you are asking about the possibility of HIV transmission after engaging in protected sex. From the information provided, this scenario is determined to be Low Risk (Evidence of transmission occurs through these activities when certain conditions are met).

For HIV transmission to be possible, three components must be met (see below).

Helpline Transmission Equation .jpg
HIV transmission requires the presence of HIV positive fluid (such as semen, vaginal fluid, pre-cum, rectal fluid, breastmilk, etc), coupled with a High, Low, or Negligible Risk activity that provides the virus with direct access to the bloodstream.

While you did engage in protected sex, it's important to remember that even with consistent condom usage, the risk of HIV transmission is not reduced to zero (1). This is due to a variety of factors, including improper use and potential breakage of the condom, thus giving HIV positive fluid direct access to the bloodstream. Therefore, there is a Low Risk of transmission in this case. 

In regards to your question about testing, fourth-generation tests are considered 99% accurate at 44 days, meaning most tests are conclusive at 6 weeks (2). However, some guidelines still recommend retesting at 12 weeks for completely conclusive results, when accuracy is 99.9%. While your negative test result at 6 weeks is likely conclusive, I do recommend doing an additional test now that you've reached the 12 week mark.

Recommendation: 
Refer to a health care provider for HIV testing and follow up regarding symptoms. 

Regards,

AIDS Vancouver Helpline/Online, Ashley

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Additional Resources:
HIV transmission and condom use (1)
HIV testing (2)
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