Most Strains of HIV Use the CCR5 Gene to Enter Host Cells (image) PLOS Share Print E-Mail Caption Most strains of HIV use the CCR5 gene to enter host cells. Our study shows that editing CCR5 leads to a reduction in the number of infected cells throughout the body. Credit Grace Choi Usage Restrictions All figures and photographic images will be published under a Creative Commons Attribution License (CCAL), which allows them to be freely used, distributed, and built upon as long as proper attribution is given. Share Print E-Mail 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.