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Elisa Tests And O And N Sub Types

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Get the Facts
San Francisco AIDS Foundation

HIV Testing

... ELISA The ELISA (also sometimes called EIA) is often used as the first screening tool. It is inexpensive and very sensitive for detecting the presence of HIV antibodies. In most cases, a blood sample is tested, but other 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...
Ask the Experts

So which is it?

Looking back through the archives I noticed that on April 26, 2004 you stated that CRFs can be detected by standard Elisa tests, but on July 24, 2004 it is contradictory when you say that CRFs may elude diagnostic assays and that PCR tests are more...
Renslow Sherer, M.D.

Response from Renslow Sherer, M.D.

University of Chicago Hospitals
...antibody test in 20-30% of cases, and may require a specific test with activity against HIV-2, which some, but not all, current ELISA assays test for.In sum, for detection of infection with an HIV CRF, a standard ELISA + Western Blot testing is... Read more »

3 types of elisa test are positive, do i need to go for WB?

I am 27 years old pregnant lady. During pregnancy, i got to know that i am hiv +ve. Then I was tested through 3 methods of ELISA - Combo aids rs, Retroquick, and hiv bi dot. All three tests have come positive. My doctor is suggesting i do not need...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
...Hello,The ELISA tests are very sensitive; however, the Western Blot test is more specific. Any (even three in a row) ELISA test (or EIA or rapid Read more »

GP Says 4 Month Neg ELISA is unconclusive !

Hi Dr BobI recieved the fantastic news that I am HIV negative last week, I have never been so happy in my life. This feeling of happiness was shattered though by my idiotic GP. She says that my negative 4 month ELISA means nothing as it's not...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
...corroborated by the HIV health advisors at the testing center or the opinions of your "idiotic GP." You can read about "O" and "N" subtypes in the archives. Routine screening is not warranted, in my opinion. Finding a new GP may well be.Good... Read more »

symptoms of HIV sub-type O? Pls answer.

Dear Dr,I'm in Thailand. Thanks for the help of your forum!I think HIV sub-type O is a most dangerous Virus than any other HIV, because it can escape from the current Elisa blood test. So could you give us some introduction to itssymptoms?I was...
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
...The symptoms in the limited reports are the same. Type O would be unusual in Thailand. Subtype B and E are the most common and should be detectable with the assays used in your country.MH Read more »
Articles
AIDS InfoNet

HIV Testing

...these tests look for "antibodies" to HIV. Antibodies are proteins produced by the immune system to fight a specific germ. Other types of HIV test look for signs that the virus itself is in the blood. When people already know they are infected... Read more »
AIDS InfoNet

HIV Resistance Testing

... What Is Resistance? How Does Resistance Develop? Types of Resistance Phenotypic Testing Genotypic Testing Virtual Phenotype Cross-Resistance Problems With Resistance Testing Read more »
The Well Project

Understanding HIV-Related Lab Tests I: Complete Blood Count and Blood Chemistry

...your lab. Look atyour lab report for the normal range they use. Complete Blood Count (CBC) Blood is made up of different types of cells including red blood cells,white blood cells, and platelets. The complete blood count (CBC) is a test... Read more »
U.S. Centers for Disease Control and Prevention

2009 H1N1 Flu (Swine Flu) and You

...pulmonary disease [COPD] and cystic fibrosis) Heart disease (such as congenital heart disease, congestive heart failure and coronary artery disease) Blood disorders (such as sickle cell disease) Endocrine disorders (such as diabetes ... Read more »
Connect With Others

Test elisa 4 generacioa la 6 semana fiable o no?

Posted by Anonymous, 1 Reply
...Buenas, he leido que en algunos paises con un elisa de 3 generacion es confiable cuando se hace a los 6 meses. En mi pais Espaa un Elisa 4 generacion a las 6 semanas seria totalmente Read more »

What the F%&# is it if not HIV?????

Posted by Anonymous, 4 Replies
...However it is also my understanding that the standard ELISA test used is very reliable for diagnosing HIV-1, Group M (all subtypes) infections but may not detect HIV-1 group O or Group N infections and standard PCR RNA testing is only accurate... Read more »

Lymph nodes

Posted by Anonymous, 3 Replies
...my neck. I have been tested for HIV 4 times since then and they have all turned out to be negative. What are all these sub-types and what are my chances of this being HIV. My lymph nodes continue to bother me and I was also wandering what... Read more »

HIV Testing

Posted by Anonymous, 3 Replies
I know everyone on here is scared and all of our symptoms are real. has anyone else on here thought about the possibility that the tests just aren't that good, or maybe we all have some new strain that the ID doctors refuse to acknowledge. I saw a... Read more »