Figure 2.

Immunohistochemical analysis of CD4⁺ T-cell depletion in gut-associated lymphoid tissue of HIV-1-infected individuals. Immunohistochemical detection of CD4⁺ cells of an HIV-negative healthy control, an LTNP, a HAART-naïve chronically HIV-1-infected patient, and an HIV-1-infected patient who had received HAART for 5 years. Reprinted by permission from the American Society for Microbiology: Guadalupe, M et al., 2003, Journal of Virology [14].