Influence of drying time on prewetted disinfectant towelettes to disinfect glass surfaces

Brown, Elizabeth; Dhanireddy, Karthik; Teska, Peter J.; Eifert, Joseph D.; Williams, Robert C.; Boyer, Renee Raiden

doi:10.1016/j.ajic.2019.11.006

Cited by 4 publications

(6 citation statements)

References 6 publications

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“…While no health risks are identified with the hand hygiene scenario for any investigated disinfecting chemicals, some may pose risks with the surface application, especially for young children. As such, it is of potential health concern to leave disinfecting chemicals on high touch hard surfaces without wiping off, although the residuals of some disinfectants are believed to provide continued efficacy of suppressing the replication or survival of viruses, even after dryness ( Brown et al, 2020 ). This health concern can be viewed as a secondary risk created by the response to the risk of the COVID-19 pandemic.…”

Section: Conclusion and Looking Forwardmentioning

confidence: 99%

Evaluating consumer exposure to disinfecting chemicals against coronavirus disease 2019 (COVID-19) and associated health risks

Sangion

2020

Environment International

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Highlights Exposure to disinfecting chemicals is highly dependent on physicochemical property. Children are at elevated exposure due to more mouthing-mediated ingestion. Some disinfecting chemicals may pose health risks for certain modeled individuals. Estimated risks differ greatly between the uses of in vivo and in vitro toxicity endpoints.

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Section: Conclusion and Looking Forwardmentioning

confidence: 99%

Evaluating consumer exposure to disinfecting chemicals against coronavirus disease 2019 (COVID-19) and associated health risks

Sangion

2020

Environment International

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“…West et al, (2019) [22] observed that the type of disinfectant towelette product tested against S. aureus signi cantly impacted e cacy while contact time did not. Brown et al, (2020) [21] found that the type of disinfectant used had a greater effect on disinfectant e cacy than did contact time. The discrepancy may be related to the type of disinfectant product studied, i.e., liquid disinfectants vs disinfectant towelettes, as experts have already de ned contact time differently for liquid disinfectants versus disinfectant towelette and spray products due to differences in their testing methods [29].…”

Section: Discussionmentioning

confidence: 99%

“…A contact time of one min has been utilized previously to re ect a realistic contact time [19] and has been considered by experts to be adequate for disinfection with liquid disinfectant products [20]. While other studies have examined the impact of contact time on the e cacy of disinfectant towelettes [21][22], few have studied this variable under conditions re ective of realistic use. Tarka et al, (2019) [23] examined the e cacy of several disinfectant towelette products across a range of contact times; however, the products studied all had contact times of one min or less, and the contact times examined were at or beyond the label contact time for all products studied.…”

Section: Introductionmentioning

confidence: 99%

Contact time has limited impact on the efficacy of disinfectant towelettes when tested under conditions reflective of realistic use

Kelley

Voorn

Tembo

et al. 2022

Preprint

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Background The use of disinfectants, such as disinfectant towelettes, play an important role pathogen transmission that can lead to healthcare-associated infections (HAIs). However, the efficacy of disinfectant towelette products when tested under realistic use conditions is understudied. A test model was designed to replicate realistic wiping conditions. The objective of this study was to determine the impact of varied contact time on disinfectant towelette efficacy under these conditions. Methods Five product types were tested against Staphylococcus aureus (ATCC 6538) and Pseudomonas aeruginosa (ATCC 15442) at five contact times (30 s, one min, two min, three min, and 10 min) on hard, non-porous laminate templates to determine the impact of contact time on disinfectant towelette efficacy when tested under realistic use. Results Product type had a significant impact on the efficacy of disinfectant towelettes when tested under conditions reflective of realistic use. The effect of contact time was limited and no differences in efficacy were seen at a contact time of one min compared with the other contact times tested. Only one disinfectant towelette product achieved a 5-log reduction under the tested conditions. Conclusion Efficacy of disinfectant towelettes was primarily impacted by product type when applied in a model designed to replicate realistic use in which only a limited effect of contact time was observed. There is a need for further investigation into which factors have the greatest impact on disinfectant towelette efficacy when applied in clinical settings.

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“…Scientific literature reports that quaternary ammonium-based disinfectants are effective in removing and/or inactivating S. aureus and P. aeruginosa from computer keyboards, while are not so active against VRE species [ 85 ]. Moreover, a recent work by Brown et al [ 86 ] demonstrated that the microbial reduction due to QAC’s activity on glass continues after contact and wetness time.…”

Section: Most Common Antimicrobial Classesmentioning

confidence: 99%

Back to Basics: Choosing the Appropriate Surface Disinfectant

Artasensi

Fumagalli

2021

Antibiotics

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From viruses to bacteria, our lives are filled with exposure to germs. In built environments, exposure to infectious microorganisms and their byproducts is clearly linked to human health. In the last year, public health emergency surrounding the COVID-19 pandemic stressed the importance of having good biosafety measures and practices. To prevent infection from spreading and to maintain the barrier, disinfection and hygiene habits are crucial, especially when the microorganism can persist and survive on surfaces. Contaminated surfaces are called fomites and on them, microorganisms can survive even for months. As a consequence, fomites serve as a second reservoir and transfer pathogens between hosts. The knowledge of microorganisms, type of surface, and antimicrobial agent is fundamental to develop the best approach to sanitize fomites and to obtain good disinfection levels. Hence, this review has the purpose to briefly describe the organisms, the kind of risk associated with them, and the main classes of antimicrobials for surfaces, to help choose the right approach to prevent exposure to pathogens.

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Influence of drying time on prewetted disinfectant towelettes to disinfect glass surfaces

Cited by 4 publications

References 6 publications

Evaluating consumer exposure to disinfecting chemicals against coronavirus disease 2019 (COVID-19) and associated health risks

Evaluating consumer exposure to disinfecting chemicals against coronavirus disease 2019 (COVID-19) and associated health risks

Contact time has limited impact on the efficacy of disinfectant towelettes when tested under conditions reflective of realistic use

Back to Basics: Choosing the Appropriate Surface Disinfectant

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