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Clinical Significance of Antibiotic Resistance

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Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within the One...

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Updated: Jul 7, 2026

Microbial Control and Monitoring Strategies for Cleanroom Environments and Cellular Therapies

Microbial Control and Monitoring Strategies for Cleanroom Environments and Cellular Therapies

Published on: March 17, 2023

MRSA and the environment: implications for comprehensive control measures.

¹Department of Pathology and Laboratory Medicine, Faculty of Medicine, The University of British Columbia, Vancouver, BC V6H 3V4, Canada. ncimolai@interchange.ubc.ca

European Journal of Clinical Microbiology & Infectious Diseases : Official Publication of the European Society of Clinical Microbiology

|February 15, 2008

Summary

This summary is machine-generated.

Environmental contamination with methicillin-resistant Staphylococcus aureus (MRSA) is common in healthcare settings. Effective control requires addressing both patient sources and the significant environmental burden of MRSA.

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Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)

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Microbial Control and Monitoring Strategies for Cleanroom Environments and Cellular Therapies

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Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)

Published on: February 9, 2011

Area of Science:

Microbiology
Infectious Diseases
Environmental Health

Background:

Methicillin-resistant Staphylococcus aureus (MRSA) readily contaminates healthcare environments after patient colonization or infection.
Knowledge of methicillin-susceptible Staphylococcus aureus (MSSA) spread and survival mechanisms is directly applicable to MRSA.
The widespread presence of MRSA in healthcare facilities complicates decontamination efforts.

Purpose of the Study:

To highlight the significance of environmental contamination in the spread of MRSA.
To emphasize the need to include environmental reservoirs in MRSA control strategies.

Main Methods:

This study is a review of existing literature on Staphylococcus aureus environmental survival and spread.
It synthesizes findings from studies on both MSSA and MRSA.

Main Results:

Environmental contamination with MRSA is established rapidly following patient introduction.
The environmental burden of MRSA can be a significant contributor to overall transmission.
While patients and staff are key sources, the environment plays a crucial role.

Conclusions:

Effective MRSA control strategies must integrate environmental decontamination.
Reducing environmental MRSA reservoirs is essential for comprehensive infection prevention in healthcare settings.