The Body: The Complete HIV/AIDS Resource
Follow Us Follow Us on Facebook Follow Us on Twitter Download Our App
Professionals >> Visit The Body PROThe Body en Espanol

Vaginal Sex Negative Elisa At 16 Weeks

Here's a taste of what has to offer on this topic:
Get the Facts
San Francisco AIDS Foundation

HIV Testing

...types of ELISAs that use saliva and urine have also been developed. The actual ELISA takes 3.5 to 4 hours, but most test sites send samples to outside labs, where they are tested in batches, so you may have to wait one to two weeks for results. Beyond the Window Period ELISA tests are very rarely "false negative." This means if you have a negative test result, and you had met the Window Period guidelines after the last potential...
Ask the Experts

real risk,real symptoms,despite 16 weeks negative

dear doctor bobi have written many times in the past to you,but i dont know wht you prefer to chose to answer questions pertaining to non risk situations and u ignore my real risk encounter.My situation goes like this..i had unprotected vaginal sex...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
...responded to many very similar concerns in the past. (Check the archives!) In addition your repeatedly negative HIV tests out to 16 weeks are definitive and conclusive. HIV is not your problem. I've discussed negative HIV tests taken outside the... Read more »

Help please doctor

Hello doctor,I got a simple question here. Please do answer.24 weeks back I had unprotected oral sex, protected vaginal sex and mutual masturbation with a commercial sex worker in Bangkok, Thailand. Then I tested several times as follows:1. ECLIA...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
...Hello Michael,Your repeatedly negative HIV tests out to 24 weeks are definitive, conclusive, WOO-HOO-able and highly excessive. HIV is not your problem. No way. No how. No additional tests Read more »


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...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
...had a negative screening test (positive ELISA plus negative WB equals a negative test!) and an undetectable PCR test out to 11 weeks is reason to be much more than "caustiously optimistic." I say it's essentially WOO-HOOable.Dr. Bobpositive... Read more »

Writing for 4th time, pls do respond, else i shall die, HLA-B27 +ve effecting ELISA HIV Test

Dear Doc.I have tried to view all the acrchieves but could not get my answer. I am writing for the 4th time, pls do respond.I had an unprotected oral followed by a protected vaginal sex ( i do not remember any condom slippage or things like that )...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
...giardiasis, duodenal ulcer with H. pylori, etc. Your HIV tests all 16 of them out to 17 months post-potential exposure are negative. These test results are conclusive, definitive and impressively excessive.Regarding HLA-B27, this is "human... Read more »
The Well Project

What Is HIV?

...HIV? Most people cannot tell that they have been exposed or infected. Symptoms of HIV infection may show up within two to four weeks of exposure to HIV, and can include fever, swollen glands, muscle aches, or rash. Some people do not notice the... Read more »
AIDS InfoNet

Safer Sex Guidelines have sex with you. Some people got HIV from their steady partners who were unfaithful "just once." Even people who got a negative test result might be infected. They might have been infected after they got tested, or they might have gotten... Read more »
The Well Project

Oral Sex: What's the Real Risk for HIV?

... Tips for Safer Oral Sex Taking Care of Yourself The chances of HIV being transmitted from an HIV+ person to an HIV-negativeperson depends on the type of contact. HIV is most easily transmitted throughunprotected (no condoms) anal sex,... Read more »
The Well Project

HIV and Safer Sex

... Table of Contents Sexual Harm Reduction Practicing Safer Sex Thinking it Through Sexual Harm Reduction Most people know that serious, even Read more »
Connect With Others

I need some good information...please?

Posted by Anonymous, 3 Replies
...used a condom, however it broke. I have tested out to 6 months negative, but have had still ongoing symptoms. I had a PCR at week 16 (do not know if it was RNA or DNA), negative. My question is that my doctor said I needed to test at 3 months,... Read more »

neg elisa @12 weeks .....

Posted by Anonymous, 5 Replies
...if i tested neg at exactly 12 weeks (84 days) with a elisa test, will my 6 month elisa test be neg as well? i have not had any sex since my possible expousure Read more »

Reliabillity of elisa test

Posted by Anonymous, 1 Reply
...I'm a 24 year old heterosexual male, on Jan 3rd of 05 I had 1 minute of unprotected vaginal sex and the following week I had protected vaginal sex with the same person. Tested negative for all std's including hiv on the 174th of jan then again Read more »

Am I infected?

Posted by Anonymous, 3 Replies
...Encounter was short vaginal intersection, less than a minute, no blood involved. I already tested negative at 6,8,11 and 16 weeks, last week (the 20th week) I had swollen lymph glands, sore throat, high fever. I had this before at the 6th week.... Read more »