Cell map (IMAGE) University of Pittsburgh Caption Color-coded map shows different cell types in the retina infected with gene-carrying adenovirus-associated vector, or AAV. Credit Leah Byrne, Ph.D. Usage Restrictions For use with this press release only 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.