what mercer disease is
Mercer Disease. Mercer Disease is a highly infectious disease caused by the bacteria Staphylococcus aureus. It is also known as MRSA which is an acronym for Methicillin Resistant Staphylococcus Aureus. What makes mercer disease so dangerous is the fact that as its name suggests it is resistant to many antibiotics which are normally used to treat Staph Infections.