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Related Concept Videos

Cleaning, Sterilization, and Disinfection01:30

Cleaning, Sterilization, and Disinfection

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Cleaning, disinfection, and sterilization are the methods that help to break the infection chain and prevent disease.
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The cleaning process usually involves using water with detergents or enzymatic cleaner and removing foreign material from objects and surfaces, including organic material such as body fluids or inorganic material like soil. Cleaning is performed before high-level disinfection and sterilization because foreign materials on the cover of the devices interfere with process...
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Hand hygiene01:23

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Asepsis is the practice of preventing or breaking the chain of infection. The nurse employs aseptic techniques to prevent the spread of microorganisms and reduce the risk of diseases. Hand hygiene is the cornerstone of aseptic techniques and is classified into medical and surgical asepsis. Medical asepsis includes hand hygiene and the use of gloves. Surgical asepsis, or the sterile technique, refers to practices that render and keep objects and areas free of microorganisms.
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When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
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Standard precautions are the minimum infection control safeguards used while caring for all patients, irrespective of their disease condition. They help prevent the spread of common infectious microorganisms to healthcare workers, patients, and visitors in all healthcare settings.
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Pathogen colonization of host tissues is a critical step in the development of infectious diseases. Various pathogenic microorganisms, including bacteria, fungi, viruses, and protozoa, have evolved complex strategies to attach to, invade, and persist within host environments. These mechanisms enable pathogens to establish infections, evade immune responses, and resist antimicrobial treatments.Attachment to Host CellsIn bacteria, colonization typically begins with adherence to host epithelial...
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A Method to Test the Efficacy of Handwashing for the Removal of Emerging Infectious Pathogens
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Pathogen transfer and high variability in pathogen removal by detergent wipes.

Lauren Ramm1, Harsha Siani1, Rebecca Wesgate1

  • 1School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff, United Kingdom.

American Journal of Infection Control
|May 23, 2015
PubMed
Summary

Detergent wipes show variable removal of pathogens like Staphylococcus aureus and Clostridium difficile spores, and can transfer microbes between surfaces, impacting infection control.

Keywords:
Acinetobacter baumanniiClostridium difficileDisinfectionStaphylococcus aureusSurface cleaning

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Area of Science:

  • Microbiology
  • Infection Control
  • Environmental Hygiene

Background:

  • Rising healthcare-associated infections necessitate improved cleaning and disinfection.
  • Detergent wipes are common for routine cleaning, but their efficacy in removing and transferring pathogens is unclear.

Purpose of the Study:

  • To evaluate the ability of detergent wipes to remove and transfer common pathogens from surfaces.

Main Methods:

  • Seven detergent wipes were tested using a 3-stage wipe protocol.
  • Removal and transfer of Staphylococcus aureus, Acinetobacter baumannii, and Clostridium difficile spores were quantified.

Main Results:

  • Wipe efficacy in removing pathogens varied significantly, with removal ranging from 0.96 to 3.51 log10.
  • All tested wipes transferred significant amounts of bacteria and spores across multiple surfaces.

Conclusions:

  • Detergent wipes exhibit inconsistent microbial removal and a tendency to transfer pathogens.
  • Complementary strategies, including combined disinfectant products or antimicrobial surfaces, are recommended for effective infection control.