Persistence analysis of poliovirus on three different types of fomites

Tamrakar, Sushil B.; Henley, Jessica; Gurian, Patrick L.; Gerba, Charles P.; Mitchell, Jade; Enger, Kyle S.; Rose, Joan B.

doi:10.1111/jam.13299

Cited by 13 publications

(13 citation statements)

References 26 publications

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“… 2019 ; Tamrakar et al. 2017 ; Incardona 1974 ). These studies suggest that decay for these viruses is not a simple exponential, with norovirus being modeled by a Weibull function (Ailavadi et al.…”

Section: Discussionmentioning

confidence: 99%

“… 2019 ), and poliovirus being modeled by either a damped exponential (Tamrakar et al. 2017 ) or biphasic decay (Incardona 1974 ). Some of these models suggest multiple pathways for viral inactivation.…”

Section: Discussionmentioning

confidence: 99%

“…There is already some evidence that viral decay for these viruses differs from that of other viruses (Beauchemin et al 2019;Ailavadi et al 2019;Tamrakar et al 2017;Incardona 1974). These studies suggest that decay for these viruses is not a simple exponential, with norovirus being modeled by a Weibull function (Ailavadi et al 2019), RSV decay being modeled best by a two-population model (Beauchemin et al 2019), and poliovirus being modeled by either a damped exponential (Tamrakar et al 2017) or biphasic decay (Incardona 1974). Some of these models suggest multiple pathways for viral inactivation.…”

Section: ) Gostingmentioning

confidence: 99%

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Energy Requirements for Loss of Viral Infectivity

Rowell

Dobrovolny

2020

Food Environ Virol

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Outside the host, viruses will eventually lose their ability to infect cells due to conformational changes that occur to proteins on the viral capsid. In order to undergo a conformational change, these proteins require energy to activate the chemical reaction that leads to the conformational change. In this study, data from the literature is used to calculate the energy required for viral inactivation for a variety of different viruses by means of the Arrhenius equation. We find that some viruses (rhinovirus, poliovirus, human immunodeficiency virus, Alkhumra hemorrhagic fever virus, and hepatitis A virus) have high inactivation energies, indicative of breaking of a chemical double bond. We also find that several viruses (respiratory syncytial virus, poliovirus, and norovirus) have nonlinear Arrhenius plots, suggesting that there is more than a single pathway for inactivation of these viruses.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: ) Gostingmentioning

confidence: 99%

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Energy Requirements for Loss of Viral Infectivity

Rowell

Dobrovolny

2020

Food Environ Virol

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“…Likewise, Mocé-Llivina et al observed higher virus survival of poliovirus 1 on cellulose ester membrane filters at 4 • C as compared to RT [31]. Despite a significant reduction in viral infectivity, Tamrakar et al observed Poliovirus 1 survival on steel, plastic and cotton after three weeks, when kept at RT and 40-60% RH [32]. Mbithi et al compared Poliovirus 1 with Hepatitis A virus and showed, that poliovirus was inactivated on stainless steel after 24 h and 6 h at 20 • C + 95 ± 5% RH and 20 • C + 25 ± 5% RH, respectively [33].…”

Section: Poliovirusmentioning

confidence: 97%

Persistence of Pathogens on Inanimate Surfaces: A Narrative Review

et al. 2021

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For the prevention of infectious diseases, knowledge about transmission routes is essential. In addition to respiratory, fecal–oral, and sexual transmission, the transfer of pathogens via surfaces plays a vital role for human pathogenic infections—especially nosocomial pathogens. Therefore, information about the survival of pathogens on surfaces can have direct implications on clinical measures, including hygiene guidelines and disinfection strategies. In this review, we reviewed the existing literature regarding viral, bacterial, and fungal persistence on inanimate surfaces. In particular, the current knowledge of the survival time and conditions of clinically relevant pathogens is summarized. While many pathogens persist only for hours, common nosocomial pathogens can survive for days to weeks under laboratory conditions and thereby potentially form a continuous source of transmission if no adequate inactivation procedures are performed.

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“…It can cause high-risk infection in public places (Thornley et al 2011;Meadow et al 2014;Zhang et al 2016;Xiao et al 2018) and in confined spaces (Rheinbaben et al 2000;Rowlands et al 2014). Micro-organisms transfer to and from a solid surface when the surface is touched (Kotwal and Cannon 2014;Malcolm et al 2017;Tamrakar et al 2017). Some researchers have studied the spread of disease via fomite surfaces by quantifying the transmission of bacteria and/or viruses between the hands and various surfaces (Boone and Gerba 2007;Julian et al 2010;Larocque et al 2016).…”

Section: Introductionmentioning

confidence: 99%

New sequential‐touch method to determine bacterial contact transfer rate from finger to surface

Zhao

2019

J of Applied Microbiology

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Aims Infection can occur via surface touch. A new method was developed to more accurately evaluate the bacterial transfer rate from a finger to a surface. Methods and Results Staphylococcus aureus was used as the model bacteria to inoculate a thumb. Sequential touches were made between the contaminated thumb and a series of clean microscope slides. The bacteria on the glass surface were cultured in situ, and the bacterial transfer rate was evaluated by fitting the colony‐forming units (CFUs) on glass surfaces with the exponential decay function. The resident microflora on thumb were also used to validate the new method. Conclusions The average transfer rate was 12·9% for S. aureus under the baseline condition. The CFUs counted on the glass surfaces were well fitted by the exponential decay function. A set of trials with more surfaces resulted in a more accurate evaluation. No statistically significant difference was found in the estimated transfer rate between the standard strain and the resident microflora. Significance and Impact of the Study The new method significantly increases the accuracy of evaluation of the microbial transfer rate from a finger to a surface while maintaining a low workload.

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Persistence analysis of poliovirus on three different types of fomites

Abstract: In protected indoor environments poliovirus can remain infective for weeks. The models identified by this study can be used in risk assessments to identify appropriate strategies for managing this risk.

Cited by 13 publications

References 26 publications

Energy Requirements for Loss of Viral Infectivity

Energy Requirements for Loss of Viral Infectivity

Persistence of Pathogens on Inanimate Surfaces: A Narrative Review

New sequential‐touch method to determine bacterial contact transfer rate from finger to surface

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