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MRSA
noun
: any of several strains of a bacterium (Staphylococcus aureus) that are resistant to methicillin and related antibiotics (such as penicillin) and typically live harmlessly on skin and mucous membranes but may cause usually mild infections of the skin or sometimes more severe infections (as of the blood, lungs, or bones) especially in hospitalized or immunocompromised individuals see ca-mrsa
Examples of MRSA in a Sentence
Recent Examples on the Web
Additional concerns from reusing towels are skin irritation that can cause eczema or atopic dermatitis flare-ups, fungal infections like athlete’s foot and ringworm, infectious diseases like conjunctivitis (pink eye), norovirus, staph (MRSA), and the spread of E.coli and allergens.
—Mary Marlowe Leverette, Southern Living, 10 Oct. 2024
There is an alphabet soup of microorganisms that have developed AMR such as MRSA, VRE, CRE and ESBLs.
—Bruce Y. Lee, Forbes, 17 Sep. 2024
The researchers found that the pathogen-drug combination that had the largest increase in causing the most burden among all age groups was methicillin-resistant Staphylococcus aureus, or MRSA.
—Jacqueline Howard, CNN, 16 Sep. 2024
Six of them proved strikingly lethal against MRSA and other resistant bacteria.
—Dhruv Khullar, The New Yorker, 2 Sep. 2024
Among the bacteria: E. coli, C. diff and the superbug MRSA, which resists common antibiotics and can cause life-threatening infections, according to the clinic.
—Nick Halter, Axios, 18 Aug. 2024
The researchers recommended hospitals improve testing for MRSA colonization, especially at discharge, even when a patient in asymptomatic.
—Tina Reed, Axios, 7 Aug. 2024
In the summer of 2016, dozens of the overhead units that contain the reading light and the air vent and, inside, the oxygen masks that are supposed to drop down in an emergency ended up in the MRSA.
—Krista Stevens, Longreads, 2 July 2024
In the first dish, which had been infused with MRSA and molecular machines, the larvae wriggled happily.
—Dhruv Khullar, The New Yorker, 13 June 2024
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Word History
Etymology
methicillin-resistant Staphylococcus aureus
First Known Use
1979, in the meaning defined above
Phrases Containing MRSA
Dictionary Entries Near MRSA
Cite this Entry
“MRSA.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/MRSA. Accessed 2 Dec. 2024.
Kids Definition
MRSA
nounˌem-ˌär-ˌes-ˈā,
ˈmər-sə
: any of several strains of a bacterium that are resistant to many common antibiotics and may cause usually mild infections of the skin or sometimes more severe infections (as of the blood or lungs)
Etymology
methicillin-resistant staphylococcus aureus
Medical Definition
MRSA
noun
: any of several strains of a bacterium (Staphylococcus aureus) that are resistant to methicillin and related antibiotics (such as penicillin) and often live harmlessly on skin and mucous membranes but may cause usually mild infections of the skin or sometimes more severe infections (as of the blood, lungs, or bone) especially in hospitalized or immunocompromised individuals
The rise of superbugs that can survive multiple antibiotics—such as MRSA, the notorious "flesh-eating bacterium"—has turned once-trivial infections into persistent problems.—Valerie Ross, Discover
MRSA—methicillin-resistant Staphylococcus aureus—lives harmlessly in the noses and on the skin of millions of people, but can cause serious harm if it enters the body through a cut and reaches the bloodstream, attacking bones and tissue.—Bob Meadows, People
But in 2002 strains of MRSA that were also resistant to vancomycin began to emerge in hospitals.—Christopher T. Walsh et al., Scientific American
see ca-mrsa
Etymology
methicillin-resistant Staphylococcus aureus
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