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Immune System Cd4

Here's a taste of what has to offer on this topic:
Get the Facts
The Well Project

Understanding the Immune System

... Introduction Key Organs of the Immune System HIV and the Immune System Footnotes Introduction The immune system is made up of cells and organs that protect your body from outside invaders such as bacteria, viruses, fungi, and parasites (germs) that can cause
Ask the Experts

CD4 & CD8

What is the difference between CD4 and CD8? I know it's important to have a good CD4 count, but what about the CD8 count? Should the CD8 count be good also? What should the count ranges be for CD4 and CD8?
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
...those without HIV infection are CD4 count of 500-1500 and CD8 count of 500-1500. Both cells are important in maintaining a good immune system. CD4 cells are more susceptible to HIV and so become infected and destroyed. In many people the CD8 cell... Read more »

HIV to AIDS immune system

Hello Dr. McGovern, can you tell me what changes occur in the immune system when an HIV patient becomes an AIDS patient?
Barbara McGovern, M.D.

Response from Barbara McGovern, M.D.

Tufts University School of Medicine
...This is usually marked by a CD4 count less than 200 cells or the onset of a particular type of illness that suggests a weakened immune system. Please refer your HIV questions to the HIV forum. Read more »


I am currently showing undetectable vl, CD4 count 140, I have been pos since 1989. Please advise does this meaning I am getting closer to a AIDS dx. I have been on numerous medications, currently on T20 and several others. Not sure what is the more...
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 is your viral load is undetectable. That means that you have stopped for the most part and further destruction of your immune system. Your CD4 count though does mean you are still at risk for opportunistic infections and require some... Read more »

Viral Load

CD3 2227 CELLS CU MMCD4 752 CELLS CU MMCD8 1265 CELLS CU MMWhat stage am I
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
...If the last question was yours, and your viral load is 10,000, you are in very good shape with respect to your immune system. Your CD4 count is currently in the normal range. Read more »
Test Positive Aware Network

HIV and Your Immune System

...Used in This Fact Sheet: *CD4 receptor: A protein present on the outside of infection- fighting white blood cells. CD4 receptors allow HIV to bind to and enter cells. **Co-receptor: In addition to binding a CD4 receptor,... Read more »
AIDS InfoNet

Immune Restoration

... What Is Immune Restoration? How Can the Immune System Be Restored? Are New CD4 Cells as Good as Old? What Is Immune Restoration? Immune restoration means repairing the damage Read more »
AIDS InfoNet

CD4 Cell Tests

...Bottom Line What Are CD4 Cells? CD4 cells are a type of lymphocyte (white blood cell). They are an important part of the immune system. CD4 cells are sometimes called T-cells. There are two main types of CD4 cells. T-4 cells , also called... Read more »
U.S. Centers for Disease Control and Prevention

HIV Drugs Prevent Infection in African Study All couples were counseled on prevention and given free condoms. The HIV-infected partners were put on ARVs when their immune system CD4 cell counts reached a predefined level. Over the next three years, 103 previously uninfected partners... Read more »
Connect With Others

Immune system & HIV detection

Posted by andypb, 1 Reply
...What is compromised/ supressed immune system. Does compromised/ weak immune system take more time to produce antibody to HIV infection. Would a Person having as low Cd Read more »


Posted by southerncharm, 1 Reply
...once again I have hives. I feel like maybe the hives are stressed related but I don't know. I'm really concerned because my cd4 count is under the 100's, my friend told me not to be concerned about the numbers after his came back 500+. I... Read more »

two immune systems?????

Posted by Anonymous
...I think there are two immune systems. One that fights colds, flu's and stuff like that. The other fights OI's (opportunist Infections). So, that would explain Read more »

immune system

Posted by Anonymous, 1 Reply
...What are antigens? Are antibodies the same thing as the CD4 type of t-cells? What are CD8 t-cells? What is a macrpophage? Is a retrovirus the same thing as a lentivirus? What is DNA? Who Read more »