Related Experiment Video
Updated: Jul 9, 2026

13:47
Opsono-Adherence Assay to Evaluate Functional Antibodies in Vaccine Development Against Bacillus anthracis and Other Encapsulated Pathogens
Published on: May 19, 2020
Identification badges: a potential fomite?
Kaede Ota1, Raffaela Profiti, Fiona Smaill
1Department of Pediatrics, McMaster University, Hamilton.
Summary
Hospital identification badges showed low contamination rates with significant pathogens. Regular cleaning of staff identification badges is recommended to prevent potential disease transmission.
Area of Science:
- Healthcare-associated infections
- Microbiology
- Hospital hygiene
Background:
- Staff identification badges are mandatory in healthcare settings.
- Assessing microbial contamination on identification badges is crucial for infection control.
Purpose of the Study:
- To evaluate the microbial contamination levels on staff identification badges.
- To identify risk factors associated with badge contamination in a hospital environment.
Main Methods:
- Cultured identification badges from 118 healthcare personnel across various professions.
- Collected demographic data and analyzed contamination based on profession, workplace, badge usage, and cleaning habits.
Main Results:
- 13.6% of badges showed contamination with significant pathogens, including Staphylococcus aureus and gram-negative bacilli.
- Higher contamination rates were observed in nurses and in the Intensive Care Unit (ICU), though not statistically significant.
- Badge covers, wearing methods, and cleaning frequency did not significantly impact contamination rates.
Conclusions:
- Identification badges are not a major reservoir for pathogenic organisms.
- Despite low prevalence, badges can harbor pathogens, emphasizing the need for regular cleaning.
- Further research may be needed to establish definitive risk factors for badge contamination.
Related Concept Videos
Association Areas of the Cortex
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Tagging and Fusion Proteins
Proteins are involved in several cellular processes and biochemical reactions. Analyzing a specific protein of interest requires it to be isolated from the other proteins in the cell. This is achieved by overexpressing the specific gene in a suitable host to produce large quantities of the target protein. A tag or label is recombined with the gene to produce a fusion protein containing the target protein and the tag. The tags on these fusion proteins can then be used for easy detection and...
Fimbriae, Pili, and Axial Filaments
Fimbriae and pili are specialized bacterial surface structures that play pivotal roles in adhesion, genetic exchange, and motility. Composed primarily of pilin protein, these hairlike appendages are crucial for bacterial survival and pathogenicity in various environments.Fimbriae: Adhesion and PathogenicityFimbriae are fine, filamentous structures measuring 2–10 nanometers in diameter and are densely distributed on the bacterial cell surface. They facilitate bacterial adhesion to abiotic...
Rapid Identification of Pathogens
MALDI-TOF MS has transformed clinical microbiology by offering a rapid and reliable method for pathogen identification. The traditional approach to microbial identification typically involves time-consuming culture techniques and biochemical tests, which can delay the initiation of appropriate antimicrobial therapy. MALDI-TOF MS avoids these delays by using characteristic ribosomal protein mass patterns of microbial cells, enabling accurate species-level identification within minutes.Principle...
Immunofluorescence Microscopy
A fluorescence microscope uses fluorescent chromophores called fluorochromes, which can absorb energy from a light source and then emit this energy as visible light. Fluorochromes include naturally fluorescent substances (such as chlorophylls) and fluorescent stains that are added to the specimen to create contrast. Dyes such as Texas red and FITC are examples of fluorochromes. Other examples include the nucleic acid dyes 4’,6’-diamidino-2-phenylindole (DAPI), and acridine orange.
The...
The...
Personal Protective Equipment
Personal protective equipment (PPE) is unique clothing or equipment worn by an employee to minimize or prevent exposure to infectious agents. PPE creates a barrier between the employee and the infectious materials. PPE must be readily available in the patient care area. PPE includes gloves, gowns and aprons, masks and respirators, goggles, face shields, shoes, and headcovers: