JC Polyomavirus (IMAGE) Brown University Caption A JC Polyomavirus approaches a cell to bind with LSTc carbohydrates. Credit Ursula Neu/Tübingen University Usage Restrictions With credit 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.