Difference Between Cd4 And Cd8 Immune Cells

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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
...Normal ranges in 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. CD4cells are more Read more »

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