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How Long Do Antibody Tests Take

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San Francisco AIDS Foundation

HIV Testing

Why Should You Get Tested for HIV? What Are HIV Antibody Tests? ELISA Western Blot (WB) Assay Indirect Immunofluorescence Assay (IFA) Window Period Interpretation of Test Results Accuracy of Antibody Tests Anonymous HIV Testing Confidential HIV Testing HIV Name-Based Reporting Partner Notification Orasure Test for HIV Rapid Tests for HIV Home...
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un protected oral sex, got tested after 3 wekeks and after 90days (PCR QUALITATIVE TEST AND ELISA ANTIBODY TEST. BOTH WERE NEGATIVE)

hI DOC,Thanks for your reply on un protected oral sex. I have got it checked again after 93 days through HIV1 RNA PCR QUALITATIVE TEST AND ELISA ANTIBODY TEST both were negative.Hope the results are conclusive and I need not have to worry. Please...
Shannon Southall

Response from Shannon Southall

Rocky Mountain CARES
HiGood to hear about your results and yes as long as there were no other exposures during the 93 days your test are conclusive.Be well and stay safe, Shannon... Read more »

How long can antibodies be detected?

Dear Dr. McGowan,Would a person's HIV antibody level still be high enough to detect on a standard screening ELISA if the infection started 10-12 years ago? My exposures were high risk, unprotected, with someone who I just recently found out was...
Joseph McGowan, M.D., F.A.C.P.

Response from Joseph McGowan, M.D., F.A.C.P.

North Shore University Hospital
Dear wondering:Antibodies to HIV can and usually will persist for life after infection. The immune system maintains antibody levels to protect itself after exposure to an infection. Chronic infections such as HIV are most likely to maintain... Read more »

No antibodies and no symptoms: For how long?

Hi. Is it possible for a person to continually test negative for HIVantibodies and yet remain healthy for extended periods? (say 5 yrs) If the body didn't know how to make HIVantibodies, wouldn't the HIV virus "take advantage"...
Rick Sowadsky, M.P.H.

Response from Rick Sowadsky, M.P.H.

Nevada State Health Division AIDS Program
Hi. Thank you for your post.If you have further questions, please e-mail me at "" or call me at 1-800-842-AIDS.... Read more »

PCR tests, antibody tests and

Hello Dr. Holodniy:This question will hopefully be a slightly differenttwist from the usual "window period" question :-)Sorry for the length.I wrote previously ( I am the one taking immuno-suppressivemedications who may or may not develop...
Mark Holodniy, M.D., F.A.C.P., C.I.C.

Response from Mark Holodniy, M.D., F.A.C.P., C.I.C.

Stanford University, School of Medicine
Good synopsis. I don't think you need more testing. the PCR based tests will detect the presence of the virus, so antibodies are not an issue. The issue with the subtypes and PCR is a quantitative one. Thus, it should be fine for qualititative... Read more »
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Antibody test question

Posted by Anonymous, 1 Reply
I had an antibody test recently, in Amsterdam. I was at a clinic and they gave me the results the next day. If I had done it in the morning they would have been done by noon! I'm back in the USA now and waiting on a follow up test that won't be... Read more »

Enlarged spleen, antibodies and testing

Posted by Questioningone, 1 Reply
The ribcage area around my spleen is enlarged, It doesn't hurt but sticks out. It has been like that for 4 days now (started roughly 4 weeks after a low-risk exposure, gave oral to girl). Have pretty much had all the ARS symtoms imaginable since 1... Read more »


Posted by JOHN_IN_LONDON, 3 Replies
I think almost every doctor is really excited with how fast technology is moving in the hiv diagnostic area,real time pcr testing will i think eventually replace the boring antibody testing we all know viral load testing,and dna pcr... Read more »

HIV Antibody Testing

Posted by sunkyst, 3 Replies
Does anyone know why HIV antibody tests are done, rather than just directly checking for the HIV virus in the bloodstream? In HIV+ people, their blood can be checked for viral loads, why can't they do this when doing a HIV test, rather than test... Read more »