Professor of Medical Technology Provides COVID-19 Testing Breakdown

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Robert H. Christenson, PhD, outlines the ways SARS-CoV-2 transmission is prevented during testing, how testing materials are acquired, and more. [embedded content]Related Coverage: Rapid Testing and Self-Isolation Are Central Components of COVID-19 Control
SEP 07, 2020 | JARED KALTWASSERMolecular testing for coronavirus disease 2019 (COVID-19) is not a panacea, but it can play a crucial role in preventing the spread of the SARS-CoV-2 virus, according to a new literature review.The science investigating COVID-19 is changing rapidly, and so investigators at Imperial College London wanted to leverage the latest scientific studies to better understand the impact of testing and isolation strategies in combating the disease.To do so, the team developed a mathematical model of SARS_CoV_2 transmission using infectiousness data as well as data related to PCR sensitivity over time post-infection. They then used the model to estimate how the effective reproduction number (R) might change depending on various testing and isolation strategies, including regular screening of people in high-risk categories, such as healthcare workers. The investigators also looked at so-called “immunity passports,” in which people who are shown to have antibodies for the virus are allowed to return to work on the basis that they likely have temporary immunity to the …

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