The recent meeting of the Infectious Diseases Society of America featured a study from the Henry Ford Health System in Detroit assessing a new strain of methicillin-resistant Staphylococcus aureus (MRSA). The strain, called USA600, is associated with poorer outcomes than other strains of MRSA and is associated with vancomycin resistance—the drug primarily used to treat MRSA. According to the study, the strain typically appears in older, sicker patients with comorbidities and frequently occurs in...(read more)