Images of HIV particles (IMAGE) Johns Hopkins Medicine Caption Electron microscopy images of mature HIV particles (blue arrows) and immature, misshaped HIV particles (yellow arrows) following treatment with PDDC, which stopped the growth of the virus. Credit Image provided by Abdul Waheed, Ph.D., NIH Usage Restrictions none License Original content 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.