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Known officially as Methicillin-Resistant Staphylococcus Aureus, (MRSA) is an infection caused by a strain of staphylococcus aureus (S. aureus) bacteria that is highly resistant to antibiotics. It is also known as:
· Methicillin-resistant Staphylococcus aureus;
· Community-acquired MRSA (CA-MRSA);
· Hospital-acquired MRSA (HA-MRSA)
S. aureus (“staph”) is a common bacterium that normally lives on the skin and sometimes in the nasal passages. MRSA refers to S. aureus strains that do not respond to the antibiotics normally used to cure staph infections. The bacteria can cause infection when it enters the body through any breaches in the skin, such as a cut or scrape, a sore, catheter, or breathing tube. The infection can be minor and local (for example, a pimple), more serious (such as pus filled boils), or internal infections involving the heart, organs or bone.
Serious staph infections are more common in people with weak immune systems – indicating that being healthy, with a strong immune system, helps resist MRSA. Weak immune systems are often found in patients in hospitals, long-term care facilities for the elderly and those receiving kidney dialysis.
Staph infections are also commonly found in environments where common facilities are used – especially in humid conditions. This can includes health clubs and sport locker rooms. Someone in the beginning stages of MRSA can also pass it to others in the physical contact involved in sport activities.
MRSA infections are usually grouped into two types:
3. A household enviroment antibacterial products.
Updated at 5/12/2009 10:20:38 AM