EDITOR—Hoare and Lim's update on the diagnosis and management of community acquired pneumonia does not mention methicillin resistant Staphylococcus aureus (MRSA),1 which is becoming more common in the community as a true community associated organism, in patients in residential care, and in those discharged from hospital. Patients who have newly acquired MRSA often develop further infections unless carriage is cleared. One study showed that in the 18 months after first colonisation, over one quarter of individuals developed further MRSA infections, many of which were …