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What does CD in CD 4 mean?

Aug 28, 2005

We have recently had an HIV awareness campaign at my place of employment and the facilitator could not tell me what the meaning of CD is. Could you please explain.

Response from Dr. Holodniy

CD means Cluster Differentiation of antigens. CD thus refers to the different receptors on a cell surface that make it a distinct type of cell.

Keep the light away from blood?
hep c contact report

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