How <i>Toxoplasma</i> Enters the Brain (VIDEO) University of Pennsylvania This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption New research led by University of Pennsylvania scientists has revealed how the parasite Toxoplasma gondii crosses the blood-brain barrier. Credit University of Pennsylvania Usage Restrictions In context of reporting 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.