Hiv Nat Window Period

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hiv rna / nat testing

Posted by nomoreworry4me, 1 Reply

does this test cuts the window period , I took this type of test out too 19 months neg not detected and neg elisa and wb's. thanks god bless Read more »

NAT exam

Posted by Anonymous, 2 Replies

I have read in another post that NAT can only grab the virus in the first weaks after, is it true???? Read more »

CDC window period have u are tested in the window

Posted by nomoreworry4me

The tests commonly used to detect HIV infection actually look for >antibodies produced by your body to fight HIV. RNA tests look for genetic >material of the virus and can be used in screening the blood supply and for >detection of rare... Read more »

NAT testing

Posted by Anonymous, 2 Replies

Does anyone know anything about Nucleic Acid Testing (NAT) I was told that blood banks use it to seek the virus in donated Blood. How effective is it? I have had numberous negitive Elisa test from home Access over the past six months( with no risky... Read more »

NAT testing

Posted by Anonymous, 2 Replies

What exactly is NAT testing? I have heard that blood banks use this technology to test the blood supply to make sure it is safe.
I have recieved a 13 week negative so I'm good to donate but still a little gun-shy. I guess I am just wondering how... Read more »

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3 month Window Period or Six Month Window Period (WINDOW PERIOD, 6 WEEKS v 3MONTHS v 6 MONTHS)

Dr. Bob,Thank you for not only responding to me but for responding to all of us with concerns. Your responses have reassured me, but what causes me concern is the differing opinions on the window period. I've read, have been told that a test...

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation

Hi,I've discussed this topic numerous times in this forum. I'll repost below a small sample of what can be found in the archives. I do realize it's a confusing issue.Dr. Bobwhat is the winow period 3 or 6 months? Can Whooo after 3?... Read more »

Slightly Different PEP Window Period Question (Will Donate!) (PEP AND THE HIV SEROCONVERSION WINDOW PERIOD, 2011)

Dear Dr. Bob, kudos to you and the great service you provide. Being in the midst of a labyrinthine and hellish psychological trap, here's hoping you can shed some light on a question regarding PEP and window periods. The recommendation for...

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation

Hi.Concerns about PEP extending the HIV seroconversion window are blown way out of proportion. There is no sound scientific evidence that I am aware of that proves (or even suggests) that PEP actually increases the HIV seroconversion window! The... Read more »

window period

Dear Dr. Bob, You are a wonderful person for helping so many. If there is a cure for Hiv, I hope you get the first treatment. You are truly a nat'l treasure. My q is this. From reading the archives, i know the window period for Hiv...

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation

Hello Ohio Fan,HIV and hepatitis are two very different types of viruses. The diagnostic criteria for hepatitis B and hepatitis C are different than HIV. We use a combination of tests involving different antibodies and antigens to ascertain if... Read more »

Window Period (WINDOW PERIOD)

Dr. Frascino:Many apologies if I am repetitive. To make things easier, if you want to refer me to an appropriate archived entry that is just fine. Through my searches however, I can't find anything to answer my question. Also, before I...

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation

Hi,Certainly no apologies needed. The HIV "window period" is a confusing topic and recommendations can change as we learn more about HIV pathogenesis and the body's immune response to HIV infection and as we improve our testing... Read more »

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Articles

FDA Approves First Nucleic Acid Test (NAT) System to Screen Whole Blood Donors for Infections With Human Immunodeficiency Virus (HIV) and Hepatitis C Virus (HCV)

The Food and Drug Administration has licensed the first nucleic acid test (NAT) system intended for screening donors of whole blood and blood components intended for use in transfusion. This test system can simultaneously detect the presence of HIV... Read more »

U.S. Centers for Disease Control and Prevention

South Africa: Transfusion of Blood Safer From HIV Than Ever

The introduction of nucleic acid amplification testing (NAT) for HIV by the South African National Blood Service has significantly cut the risk of being infected through transfusion, an SANBS official said recently. The remark followed reports of a... Read more »

FDA Approval of NAT for Detection of HIV-2, HIV-1 Groups O and M, and Hepatitis B and C

On December 30, 2008, FDA approved the first nucleic acid test (NAT) that screens for the presence of two divergent types of HIV in donated blood plasma and human tissue. Nucleic acid is the term commonly used to refer to the chemical compounds that... Read more »

Symptomatic Primary HIV Infection in a 49-Year-Old Man Who Has Sex With Men: Beware the Window Phase

The researchers describe the case of a 49-year-old male who presented at an Amsterdam STD outpatient clinic in the fall of 2009. The patient had "fever, malaise, generalized rash, anal itching and rectal discharge after unprotected receptive anal... Read more »

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