Staphylococcus aureaus (IMAGE) German Center for Infection Research Caption Methicillin-Resistant Staphylococcus aureus (MRSA) (purple) Credit NIAID 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.