HIV-1 Virions (image) PLOS Caption This image shows pools of mature HIV-1 virions populating the intercellular spaces highlighted by segmentation (blue: viral envelope, magenta: conical cores). Credit Ladinsky et al. Usage Restrictions Please re-use with a CC-BY Attribution license. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.