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DiaSorin releases assay for rapid identification of SARS-CoV-2 variants

Diasorin Ltd

The Simplexa™ SARS-CoV-2 Variants Direct assay aims to enable detection of four mutations associated with virus variants without requiring upfront RNA extraction

20 May 2021
Diane Li
Assistant Editor

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DiaSorin has announced that it has released the Simplexa™ SARS-CoV-2 Variants Direct assay (RUO) to enable detection and discrimination of four SARS-CoV-2 mutations associated with circulating virus variants without requiring upfront RNA extraction. The assay helps to streamline and speed-up the pre-selection process of positive samples that need further sequencing, maximizing the effectiveness of monitoring programs for the spread of concerning variants.

The Simplexa™ SARS-CoV-2 Variants Direct is a Research Use Only assay and is not for use in diagnostics procedures. The assay allows for the in vitro qualitative differential detection of the mutations N501Y, E484K, E484Q, and L452R directly from nasopharyngeal and nasal swab specimens from individuals previously diagnosed with COVID-19. These mutations are present in potential variants of clinical interest including those that were isolated in the United Kingdom (B.1.1.7), South Africa (B.1.351), Brazil/Japan (P.1 and P.2), New York (B.1.526/B.1.526.1), California (B.1.427/B.1.429), Nigeria (B.1.525) and India (B.1.617/B.1.617.1/ B.1.617.2/B.1.617.3). The kit format consists of pre-aliquoted reagents that are ready for use while leveraging Direct Amplification Disc technology and the melting curve capabilities of the LIAISON® MDX.

During the course of the COVID-19 pandemic, new genetic variants of SARS-CoV-2 have spread rapidly across the globe creating concern as to their infectivity, transmissibility, and the impact on current vaccines or available immunotherapy. The availability of affordable molecular solutions that can be easily implemented and provide quick results will facilitate and increase the ability to monitor the spread of variants by streamlining laboratory workflows.

“The ability to identify potential SARS-CoV-2 variants in positive samples is of national and global importance in the continuous effort to monitor, track, and fight against SARS-CoV-2 variants,” said John Gerace, president of DiaSorin Molecular. “We are proud to continually develop products that meet the evolving needs of laboratories around the globe during this time.”

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