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Evaluation of Five Buffers for Inactivation of Monkeypox Virus and Feasibility of Virus Detection Using the Panther Fusion® Open Access System

R. Fischer,Shane Gallogly,Jonathan E. Schulz,Neeltje van Doremalen,V. Munster,Sanchita Das

Published 2022 in Viruses

ABSTRACT

Rapid diagnosis is key to containing viral outbreaks. However, for the current monkeypox outbreak the major deterrent to rapid testing is the requirement for higher biocontainment of potentially infectious monkeypox virus specimens. The current CDC guidelines require the DNA extraction process before PCR amplification to be performed under biosafety level 3 unless vaccinated personnel are performing assays. This increases the turn-around time and makes certain laboratories insufficiently equipped to handle specimens from patients with suspected monkeypox infection. We investigated the ability of five commercially available lysis buffers and heat for inactivation of monkeypox virus. We also optimized the use of monkeypox virus in Hologic® Panther Specimen Lysis Buffer for detection of virus in the Panther Fusion® Open Access System using published generic and clade specific monkeypox virus primers and probes.

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