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Define the three words in MRSA: methicillin, resistant, and Staphylococcus aureus.

User Sibnick
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M: a semisynthetic form of penicillin used against staphylococci that produce penicillinase.
R: offering resistance to something or someone.
S, A:
a gram-positive, round-shaped bacterium that is a member of the Firmicutes, and is frequently found in the nose, respiratory tract, and on the skin.
User Tinea
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