CD4

English

Etymology

Initialism of cluster of differentiation type 4.

Noun

CD4 (countable and uncountable, plural CD4s)

  1. (countable, uncountable, immunology) A glycoprotein found on the surface of helper T cells and several other types of immune cells.
  2. (countable, immunology) A CD4+ helper T cell.
    • 1996 September, Louise Rice, “New Knowledges, New Treatments, New Hope”, in Gay Community News, page 5:
      In short, while CD4 counts can tell you where you are now, the viral load tells you where you are going.

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