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A Method to Test the Efficacy of Handwashing for the Removal of Emerging Infectious Pathogens
Published on: June 7, 2017
Susceptibility of Measles Virus to World Health Organization-Recommended Hand Rubs, Oral Rinses, and Surface
Lukas Daniel Sandoval Flores1,2,3, Marylyn Martina Addo1,2,3, Eike Steinmann4,5
1Institute for Infection Research and Vaccine Development, Centre for Internal Medicine, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany.
Background:
Measles continues to pose a major public health threat worldwide. Reoccurring outbreaks are fueled by declining vaccination rates, increased global travel, migration, and disruptions in immunization programs. Consequently, hygiene measures remain essential to prevent transmission, particularly in health care settings where nosocomial infections can occur.
Methods And Results:
To address this, we tested virus inactivation by common oral rinses, as primary transmission occurs via aerosols and droplets, using a quantitative suspension assay in accordance with European guidelines. We further evaluated World Health Organization-recommended hand rub formulations based on ethanol and 2-propanol with the same assay. After confirming that measles virus remains viable for several hours on stainless steel, we assessed the efficacy of surface disinfectants, including alcohol-, aldehyde-, and hydrogen peroxide-based products.
Conclusions:
The virus was effectively inactivated by World Health Organization-recommended hand rub formulations, oral rinses, and surface disinfectants, demonstrating the effectiveness of standard hygiene measures in infection control. These findings underscore the critical importance of consistent hygiene practices in limiting measles transmission.
Insights
Standard hygiene measures like oral rinses and hand sanitizers effectively inactivate the measles virus. This study confirms their crucial role in preventing measles transmission, especially in healthcare settings.
Area of Science:
- Infectious Diseases
- Public Health
- Microbiology
Background:
- Measles remains a significant global health concern, with outbreaks linked to decreased vaccination rates and increased travel.
- Nosocomial measles transmission is a risk in healthcare settings, necessitating effective infection control strategies.
- Standard hygiene practices are vital for preventing measles spread.
Purpose of the Study:
- To evaluate the efficacy of common oral rinses in inactivating the measles virus.
- To assess the effectiveness of World Health Organization-recommended hand rub formulations against measles virus.
- To determine the impact of surface disinfectants on measles virus viability.
Main Methods:
- Quantitative suspension assays were used to test virus inactivation by oral rinses and hand sanitizers.
- European guidelines were followed for the suspension assay.
- Efficacy of alcohol-, aldehyde-, and hydrogen peroxide-based surface disinfectants was evaluated.
Main Results:
- Measles virus remained viable for several hours on stainless steel surfaces.
- World Health Organization-recommended hand rubs and common oral rinses effectively inactivated the measles virus.
- Tested surface disinfectants demonstrated efficacy in measles virus inactivation.
Conclusions:
- Standard hygiene measures, including hand rubs and oral rinses, are effective against measles virus.
- Consistent implementation of hygiene practices is critical for controlling measles transmission.
- These findings reinforce the importance of established infection control protocols in healthcare.
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