Methicillin-resistant Staphylococcus aureus (MRSA)

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Methicillin-resistant Staphylococcus aureus (MRSA) is a type of bacteria that is resistant to certain antibiotics. These antibiotics include methicillin and other more common antibiotics such as oxacillin, penicillin and amoxicillin.

Health Care Associated - Staph infections, including MRSA, occur most frequently among persons in hospitals and healthcare facilities (such as nursing homes and dialysis centers) who have weakened immune systems.

Community Associated - 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) are known as CA-MRSA infections. Staph or MRSA infections in the community are usually manifested as skin infections, such as pimples and boils, and occur in otherwise healthy people.

MDCH Information on MRSA  - Individual case reports of MRSA are not reportable in Michigan.  Outbreaks are, however, reportable to the local health jurisdiction. MDCH has an educational  brochure  and  poster  detailing prevention of MRSA.

Seasonal Flu and Staph Infections - Bacterial infections can occur as co-infections with influenza or occur following influenza infection. In 2006-2007, CDC noted an increase in flu and Staphylococcus aureus (S. aureus) co-infections among children who had died or were hospitalized with influenza infection. Some of those infections were with methicillin-resistant S. aureus (MRSA). CDC is working with state and local public health authorities to monitor and investigate flu-S. aureus co-infections, including pneumonias and other types of S. aureus infections.