VitaYeast Team (2 of 2) (IMAGE) Johns Hopkins University Caption In campus labs, the students developed a genetically engineered yeast to add vitamin A to the diets of malnourished people. Credit Will Kirk/JHU 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.