T lymphocyte and B

B cells:

B and T cell values decreased.

HIV infects cells with

lymphocyte subsets;


CD4 counts less than 500/mL are

the CD4 protein

CD4 counts, CD4

CD4 T cells:

generally associated with symp



450-1400/mL; CD4 to CD8 T cell ratio: 1:3.5

toms; CD4 counts less than 200/mL are associated with severe immune suppression. Any HIV-infected person with a CD4 level less than 200/mL is considered to have AIDS

0 0

Post a comment