MRSA

[mur-suh or, esp. Canadian, said as letters]
noun
1.
methicillin-resistant Staphylococcus aureus , a bacterium that is highly resistant to methicillin, penicillin, and certain other antibiotics, and may cause infections of the skin, blood, lungs, etc.: MRSA infections in hospitals and healthcare facilities.
2.
a staph infection caused by these bacteria: the threat of mrsa among athletes.

Origin:
1980-85

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Collins
World English Dictionary
MRSA
 
abbreviation for
methicillin-resistant Staphylococcus aureus: a bacterium that enters the skin through open wounds to cause septicaemia and is extremely resistant to most antibiotics. It has been responsible for outbreaks of untreatable infections among patients in hospitals

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Abbreviations & Acronyms
MRSA
methicillin-resistant Staphylococcus aureus
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences for MRSA
The epidemiology of infections caused by mrsa is rapidly changing.
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