Figure 6From: Mucosal transmissibility, disease induction and coreceptor switching of R5 SHIVSF162P3Nmolecular clones in rhesus macaquesTissue macrophages are the primary SHIV-infected cells at end stage disease in FF94. Double-labeled immunohistochemical staining of the mesenteric LN of FF94 and EN31 for SIVnef (brown) and the macrophage marker lba-1 (red) was performed. Arrows mark representative double-positive cells.Back to article page