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MRSA

American  
[mur-suh, saidasletters] / ˈmɜr sə, saidasletters /

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.


MRSA British  

abbreviation

  1. 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" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of MRSA

First recorded in 1980–85

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Steward said his daughter, while surfing nearby, became sick with an infection from a type of bacteria called MRSA, which is resistant to many antibiotics.

From Los Angeles Times Apr. 22, 2025

She was looking after both babies by herself in intensive care when hospital staff from outside the unit told her they had tested positive for a bacterial infection called MRSA.

From BBC Oct. 7, 2024

She said she had privileges stripped and eventually was diagnosed with MRSA, an antibiotic-resistant infection.

From Seattle Times May 16, 2024

Joshua Dean, a former quality auditor at Boeing supplier Spirit AeroSystems, died on April 30 after battling a stretch of illness that began with influenza B and MRSA, a bacterial infection, and eventually pneumonia.

From Salon May 2, 2024

From this collection, the models identified compounds from five different classes, based on chemical substructures within the molecules, that were predicted to be active against MRSA.

From Science Daily Dec. 21, 2023

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