Good Yeast, Bad Yeast (IMAGE) Worcester Polytechnic Institute Caption This image shows two forms of the yeast (fungus) C. albicans. At right, the cell is ovoid and harmless. At left, cell has entered the infectious, filamented state. Credit Worcester Polytechnic Institute 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.