Skip to main content
. Author manuscript; available in PMC: 2014 Jun 1.
Published in final edited form as: Clin Chest Med. 2013 Apr 8;34(2):143–153. doi: 10.1016/j.ccm.2013.01.003

Figure 1.

Figure 1

HIV tropism for T cells and alveolar macrophages. T-tropic HIV strains interact with CD4 and CXCR4 (fusin) on T cells for entry. In contrast, M-tropic HIV strains interact with CD4 and CCR5 on alveolar macrophages, although CXCR4 is also present.