"Figure 6.15: Cells infected with CMV become enlarged and have a characteristic “owl’s eye” nucleus. Modification of work by Centers for Disease Control and Prevention. Public domain. Figure 6.16: An Ebola virus particle viewed with electron microscopy. Modification of work by Centers for Disease Control and Prevention. Public domain. Figure 6.17: This micrograph shows HIV particles (green) budding from a lymphocyte (lower left). Modification of work by Centers for Disease Control and Prevention. Public domain. Figure 6.18: This graph shows the clinical progression of CD4 T cells (blue line), clinical symptoms, and viral RNA (red line) during an HIV infection. Modification of Figure 3 from Kogan, M., Rappaport, J. HIV-1 Accessory Protein Vpr: Relevance in the pathogenesis of HIV and potential for therapeutic intervention. Retrovirology 8, 25 (2011). https://doi.org/10.1186/1742-4690-8-25 . CC BY"