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Understanding Viral Load

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The Well Project

Understanding HIV-Related Lab Tests II: Viral Load, Resistance and Tropism

Table of Contents Lab Tests Are Important Tools Viral Load Test Resistance Test Tropism Test Hypersensitivity Test for Ziagen Bottom Line Lab Tests Are Important Tools Having regular lab tests is a necessary part of caring for your health. Ifyou are living with HIV (HIV+), lab tests are especially important tools thathelp you and your health care provider keep track of how you are doing in thefollowing areas: Immune...
Ask the Experts

I do not understand my viral load

Hello Dr holodniy, i hope this question wouldl be answered very soon. Well i have been for about 4 year with Ritonavir and Convivir. My first Viral Load (Nov 2004) was 285 copies;being undetectable <50 copies. 6 months after I got a new viral...
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
I think both tests are saying essentially the same thing, that you have had a very good treatment response (given your elevated CD4) but that your viral load on this combination is not undetectable. It may require an adjustment in your treatment so... Read more »

help understand my viral load

I have hep C and my viral Load was 2,940,0000. and my logs was 6.47. I dont know what that means I just know its alot higher then last time....
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
A log number is just another way of saying the same thing. 2.9 million is equivalent to 6.46 log10 copies. For example, 100 copies is 2 log, 1000 copies is 3 logs, 10,000 copies is 4 logs and so on.... Read more »

Understanding Viral Load and CD4

My first lab results were viral load of 42,000 and CD4 1100. My doctor seemed pleased with cd4 but concerned with viral load. Is 42k considered high? And at what levels could i expect to have to start medication. I would love any other imput on my...
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
I wouldn't make a treatment decision based on one set of labs. However, your CD4 count is in the normal range and your viral load would be considered in the moderate range. A viral load > 100,000/mL would be considered high, and depending on... Read more »

"understanding viral load testing"

I am interested in finding out what a base line number or "norm" is for theviral load testing. A friends brother gave her the results of a recent testand she doesn't know what to make of them, he was too sick to try and get...
Cal Cohen, M.D., M.S.

Response from Cal Cohen, M.D., M.S.

Harvard Medical School
The "norm"for a viral load test is "negative," in that HIV-negativeindividuals have no viral load at all. In an HIV-infected person, there isno "norm" or baseline. Instead, we can simply say that the goal is thelowest... Read more »
Connect With Others

viral load

Posted by kaliboo, 2 Replies
I've been trying to find out what your viral load is (approximately, of course) shortly after being infected... and have had no luck...

So I guess I'm just wondering... what was your viral load when it was first tested? Read more »

Ups and downs of viral load

Posted by Anonymous, 1 Reply
The flu-like symptoms I had a few weeks ago still worry me. The woman looked unhealthy, so I should have trusted my instincts. But I guess that's in the past. I had a viral load test done and it came back undetectable (this was about 2 weeks... Read more »

Is the Viral Load really undetectable.

Posted by Atheena, 1 Reply
I have submitted my question to "Ask the Experts" section. Just curious on how others are thinking about this.

Dr.....
I was wondering about how well we are able to track the viral load accurately. I watch my lab results, nothing changes, and... Read more »

cd4 or viral load

Posted by Lilly, 2 Replies
When starting to think about treatment, does either counts (cd4s or viral load) play a bigger role? My viral load has recently dropped, but so has my cd4's. My counts are all still at a comfortable level for me with no meds, but at the clinic... Read more »