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July 15, 2021

Intelligent Fingerprinting creates saliva-based Covid-19 antigen test 

With 100% sensitivity and specificity, the VSS-GP test can offer results in 20 minutes.

UK-based company Intelligent Fingerprinting has created a user-friendly, saliva-based lateral flow VSS-GP test for quick SARS-CoV-2 antigen detection.

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As compared to current Covid-19 tests, which need invasive nose and throat swabs, the latest test requires a simple swab to obtain a saliva sample from the inside of the cheek.

The new saliva sample collection method makes the test appropriate for testing vulnerable individuals as well as children. It further enables regular testing in multiple applications such as schools, airports and workplaces.

The test can deliver results in 20 minutes, which is faster than several of the nose and throat lateral flow tests currently in use.

With a simple design, the testing strip reduces plastic usage as it does not have the plastic casing present in other lateral flow tests, the company noted.

In an independent analysis, the test showed a sensitivity of 100%, in assessing 150 positive clinical samples (Ct range 18 to 28), and specificity of 100%, on testing with 250 reverse transcription-polymerase chain reaction (RT-PCR)-confirmed negative saliva samples.

Intelligent Fingerprinting executive chairman Philip Hand said: “In developing our new Covid-19 saliva test, we have successfully combined the benefits of much simpler sample collection with high levels of accuracy using our existing technology.

“Manufacturing capacity at our Cambridge plant, utilising existing equipment and ISO 13485 quality control, is ready to support the production of millions of tests per month, and we also anticipate we will be working with existing and new distribution partners to make this test available across multiple markets.”

In a separate development, Hologic has received CE mark to use saliva samples for its Aptima SARS-CoV-2 assay in Europe.

A molecular diagnostic assay, Aptima is indicated to identify the genetic material of the SARS-CoV-2 virus.

The assay has already received CE mark for the use of nasopharyngeal and nasal swabs as well as other specimen types.

Hologic has scaled up production capacity to manufacture Aptima tests in huge quantities and shipped approximately 100 million tests across the world so far.

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Navigate your business through the ‘new normal’

COVID-19 continues to dominate headlines the world over. It has already affected our lives forever. The way we work, shop, eat, seek medical advice, and socialize will all be different in the future. Quite how different remains to be seen, but all industries must plan for multiple eventualities.  Faced with an explosion of conflicting information on how to plan and implement successful recovery strategies, decision-makers are in dire need of a single, reliable source of intelligence.   GlobalData’s COVID-19 Executive Briefing gives you access to unparalleled data and insights to successfully navigate the uncertain road to recovery across the world’s largest industries. Understand every aspect of this disruptive theme by delving into: 
  •  COVID-19 infection update, with statistics on the spread, testing by country, as well as the latest data on vaccines and therapeutic developments 
  • Economic impact overview, covering stock market indices, GDP, unemployment rates, policy responses & GlobalData’s economic recovery scorecards 
  • Sector developments, with access to sector insight summaries, cross-sector indices and the leaders and laggards in each industry vertical 
Whatever your company’s imminent strategic plans, the long-lasting impact of COVID-19 must not be overlooked. Find out how to futureproof your business operations – download our report today. 
by GlobalData
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