A Petri Dish of MRSA (image) University of Exeter Share Print E-Mail Caption A petri dish of MRSA is shown. Credit Dr. Massey/University of Bath Usage Restrictions please credit. Share Print E-Mail 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.