Methicillin resistant staphylococcus aureus classification

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Two types of MRSA exist based on the type of patients they infect. They are:

Healthcare associated MRSA (HAMRSA) - MRSA among persons in hospitals and healthcare facilities (such as nursing homes and dialysis centers) who have weakened immune systems. These healthcare-associated staph infections include

Surgical wound infections
Urinary tract infections
Bloodstream infections (including central-line associated bloodstream infections)
Pneumonia

Community-associated MRSA (CAMRSA) - MRSA infections that are acquired by persons who have not been recently (within the past year) hospitalized or had a medical procedure (such as dialysis, surgery, catheters) (MRSA causing illness in persons outside of hospitals and healthcare facilities).