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Subtypes Not Detected RNA NAT

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Ask the Experts

DNA PCR /RNA PCR/ NAT

Can you explain the difference in these tests DNA PCR/ RNA PCR/ NAT? Which are better at detecting early infection? Would they all detect all subtypes of HIV? Would a negative NAT/DNA/RNA and atibody after 4 weeks be conclusive?When woudl a negative...
Lisa Hightow-Weidman, M.D., M.P.H.

Response from Lisa Hightow-Weidman, M.D., M.P.H.

University of North Carolina
Hello thereCheck out this article as I think it answers all of the questions you have.http://www.avert.org/testing.htmTake care,LHW... Read more »

Tests for HIV Subtype O (GROUP O, Subtype O, 2010)

Nine months ago I had a sexual encounter with a West Africa prostitute whilst abroad. This... Read more »

Viral load subtype detection

Does viral load testing by PCR RNA detect HIV 1 & 2 plus sub types or is their a viral load... Read more »
Articles
U.S. Food and Drug Administration

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 »
U.S. Food and Drug Administration

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 »
Henry J. Kaiser Family Foundation

RNA Test to Detect HIV During Acute, Primary Phase Not Widely Used, New York Times Reports

The New York Times on Friday examined an HIV blood test, which seeks out bits of the virus' RNA and can identify infections during the acute or primary phase. Standard rapid tests, which detect HIV antibodies, can provide immediate results but... Read more »
U.S. Centers for Disease Control and Prevention

The Effects of Early Syphilis on CD4 Counts and HIV-1 RNA Viral Loads in Blood and Semen

The researchers conducted a retrospective case-controlled study comparing blood plasma HIV-1 viral loads and CD4 counts in cases during early syphilis (n=63, 27 receiving antiretroviral therapy) to those before and after syphilis and with controls... Read more »
Connect With Others

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

Posted by Anonymous, 2 Replies
What is an NAT test for HIV? I heard that it is able to detect HIV a lot earlier than any other test. If that is true, why aren't they using it to test for HIV?

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general information about subtype detection

Posted by Anonymous
Do conventional AIDS tests detect all subtypes?

Routine AIDS tests which are currently being used for blood screening and diagnostic purposes detect virtually all subtypes of the human immunodeficiency virus. (Most companies have modified their... Read more »

RNA testing & different strains

Posted by Anonymous, 1 Reply
Just a question for the board. I had a Roche RNA version 1.0 test done and it came back non-detectible under 400. I know this is geared to pick up clade B and not the others. What are the odds that I could have picked up a weird subtype here in... Read more »