CD209 and viral infectious disease: Experiments using JUNV, as well as pseudo-typed retroviral particles carrying functional JUNV GP, demonstrated that viral infection is also enhanced by the presence of human dendritic cell-specific intercellular adhesion molecule-3 grabbing nonintegrin (hDC-SIGN) or its homologue liver/lymph node-specific ICAM-3-grabbing nonintegrin (DC-SIGN or L-SIGN).