Description: English: Title: SIV virion in 3D Description: Rendering of 3D structure of a single simian immunodeficiency virus obtained using cryo-electron tomography. Categories: Research in NIH Labs and Clinics Type: Color, Diagram Source: National Cancer Institute (NCI) Creator: Sriram Subramaniam, Don Bliss Date Created: Unknown Date Added: 5/24/2012 Reuse Restrictions: None - This image is in the public domain and can be freely reused. Please credit the source and/or author listed above. Date: 11 November 2013, 08:46:36. Source: National Institutes of Health (NIH). Author: National Institutes of Health (NIH).