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What is MRSA?
Staphylococcus is a family of common bacteria.
Many people naturally carry it in their throats, and it can cause a mild infection in a healthy patient.
MRSA stands for methicillin-resistant Staphylococcus aureus, but is shorthand for any strain of Staphylococcus bacteria which is resistant to one or more conventional antibiotics.
There are many different strains of MRSA, with differing degrees of immunity to the effects of various antibiotics.
It doesn't mean that antibiotics are completely powerless against it - it may simply require a much higher
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dose over a much longer period, or the use of an alternative antibiotic to which the bug has less resistance.
What are the symptoms?
MRSA infections can cause a broad range of symptoms depending on the part of the body that is infected. These may include surgical wounds, burns, catheter sites, eye, skin and blood.
Infection often results in redness, swelling and tenderness at the site of infection. Sometimes, people may carry MRSA without having any symptoms.
Why does MRSA exist?
It's all about survival of the fittest - the basic principle of evolution, and
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