Use of Pseudotyped viruses for the production of reference materials as part of emerging viral outbreak preparedness

Bentley, Emma; Wright, Edward; Hassall, Mark; Myhill, Sophie; Rigsby, Peter; Wilkinson, Dianna E.; Stone, Lindsay; Page, Mark; Mattiuzzo, Giada

doi:10.1016/j.ijid.2018.11.035

International Journal of Infectious Diseases

2019

DOI: 10.1016/j.ijid.2018.11.035

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Use of Pseudotyped viruses for the production of reference materials as part of emerging viral outbreak preparedness

Emma Bentley

Edward Wright

Mark Hassall

et al.

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2024

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Development of a pseudo-typed virus particle based method to determine the efficacy of virucidal agents

Thomas,

Mughal,

Roper

et al. 2024

Sci Rep

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The ongoing Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) pandemic has highlighted the threat that viral outbreaks pose to global health. A key tool in the arsenal to prevent and control viral disease outbreaks is disinfection of equipment and surfaces with formulations that contain virucidal agents (VA). However, assessment of the efficacy of virus inactivation often requires live virus assays or surrogate viruses such as Modified Vaccinia Virus Ankara (MVA), which can be expensive, time consuming and technically challenging. Therefore, we have developed a pseudo-typed virus (PV) based approach to assess the inactivation of enveloped viruses with a fast and quantitative output that can be adapted to emerging viruses. Additionally, we have developed a method to completely remove the cytotoxicity of virucidal agents while retaining the required sensitivity to measure PV infectivity. Our results indicated that the removal of cytotoxicity was an essential step to accurately measure virus inactivation. Further, we demonstrated that there was no difference in susceptibility to virus inactivation between PVs that express the envelopes of HIV-1, SARS-CoV-2, and Influenza A/Indonesia. Therefore, we have developed an effective and safe alternative to live virus assays that enables the rapid assessment of virucidal activity for the development and optimization of virucidal reagents.

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Development of a pseudo-typed virus particle based method to determine the efficacy of virucidal agents

Thomas,

Mughal,

Roper

et al. 2024

Sci Rep

View full text Add to dashboard Cite

show abstract

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Use of Pseudotyped viruses for the production of reference materials as part of emerging viral outbreak preparedness

Cited by 1 publication

References 0 publications

Development of a pseudo-typed virus particle based method to determine the efficacy of virucidal agents

Development of a pseudo-typed virus particle based method to determine the efficacy of virucidal agents

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