Zika-infected Mouse Testicles (IMAGE) Washington University School of Medicine Caption The testicles of male mice showed cellular damage and shrinkage three weeks after Zika infection. On the left is a healthy mouse testicle; on the right, a testicle following Zika infection. Credit Prabagaran Esakky Usage Restrictions None License Licensed 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.