Anal Sex Witout Condom Negative Western Blot

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Ask the Experts

Pos EIA, Neg WB (POSITIVE ELISA, NEGATIVE WESTERN BLOT)

I am a 30 year male who had unprotected vaginal intercourse with a female I did not know almost 3 months ago. I got tested at 9 weeks after exposure and the ELISA came back positive and the WB came back negative with no bands. The test was...

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation

Hi,A positive EIA (or ELISA) and negative confirmatory Western Blot is read as a negative HIV-screening test. This situation is not uncommon and I've addressed it many times before in this forum. I'll reprint some examples below from the... Read more »

WB Indeterminate 1st test, 2nd test negative (INDETERMINANT WESTERN BLOT)

I am 14 wks pregnant....want to start by saying my son is almost 3 yrs, tetsed negative, been with... Read more »

Response from Robert J. Frascino, M.D. »

Pregnant / positive elisa but negative western blot (POSITIVE ELISA, NEGATIVE WESTERN BLOT, PREGNANT, 2011)

My OBGYN advised me that my hiv results came back as a "repeatedly reactive" elisa but... Read more »

Response from Robert J. Frascino, M.D. »

Go to Ask the Experts »

Articles

U.S. Centers for Disease Control and Prevention

Effectiveness of COL-1492, a Nonoxynol-9 Vaginal Gel, on HIV-1 Transmission in Female Sex Workers: A Randomised Controlled Trial

Although the male condom, when used consistently and correctly, provides high levels of protection against HIV-1 and other STDs, negotiating its use is not always feasible for many women. Therefore, there is a need for a female-controlled method for... Read more »

Delayed Application of Condoms With Safer and Unsafe Sex: Factors Associated With HIV Risk in a Community Sample of Gay and Bisexual Men

Delayed condom application (DCA) "has been implicated in HIV transmission among gay and bisexual men," noted the authors. The current study examines the prevalence of DCA in a gay population and explores factors associated with condom use among two... Read more »

HIV Testing 101

Is It a Risk? How risky are certain activities? Pick one from the pulldown menu or click here and find out! Select a sexual activity Pick an activity Anal Sex (In general) Anal Sex (Insertive) Anal Sex (Receptive) Anal/Vaginal Intercouse... Read more »

Condom Use Rather Than Serosorting Explains Differences in HIV Incidence Among Men Who Have Sex With Men

New HIV diagnoses have been numerous and increasing among men who have sex with men (MSM) attending the STD Outpatient Clinic in Amsterdam; however, incidence remains low among MSM in the Amsterdam Cohort Studies (ACS). Authors of the current study... Read more »

Connect With Others

Positive ELISA and Negative Western Blot

Posted by cf1, 1 Reply

Hi all,

Just would like some others opinions on my current situation.

3 weeks 4 days---My Doctors---Blood taken from vein in arm---Reactive Elisa---Negative Western Blot
5 weeks 2 days---Home Test----Blood from poke in finger---Non Reactive Elisa
9... Read more »

Indeterminate western blot

Posted by Anonymous, 1 Reply

Question - I recently had an indeterminate western blot result. I was told to come back in 6 weeks and test again. What does this mean? Am I infected. I have had heterosexual unprotected sex with couple of times the past year with people I've... Read more »

anal sex -- condom broke

Posted by Anonymous, 2 Replies

I'm a little freaked out. I'm a straight guy that met a nice gay guy. After some discussion, I decided to venture out and try anal sex with him, with me penetrating him. After some drinks we turned down the lights and started. After some thrusts, I... Read more »

Western Blot Test

Posted by yes1, 4 Replies

What is the accuracy of the Western Blot at 7, 8, 9, and 10 weeks? Read more »

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