Rvirus-group (image) Johns Hopkins University Caption Johns Hopkins biomedical engineering undergraduates developed a quick-dissolving film that may someday deliver rotavirus vaccine to infants in impoverished areas. Co-team leader Christopher Yu holds a sample of the material. Behind him are team member Dhanya Rangaraj, co-team leader Rohan Agrawal and Hai-Quan Mao, the team's faculty advisor. Credit Will Kirk/JHU Usage Restrictions None 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.