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Madeleine Johnson

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Madeleine covers PCR, nucleic acid amplification, and sample prep technologies for GenomeWeb. 

Articles Authored by Madeleine Johnson

Feb 26, 2020

Q&A: Hong Kong University's Leo Poon Discusses Diagnostics for SARS-CoV-2

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As an expert in zoonotic viruses, Poon has published an assay for SARS-CoV-2 as well as a characterization of early infection.

Feb 25, 2020

New T2 Biosystems CEO Plans to Shrink Costs, Sharpen Sales Strategy

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Leadership aims to lower cost of goods and real estate footprint, while driving test utilization by targeting clinicians. 

Feb 19, 2020

CDC Will Implement Novel Coronavirus Surveillance in Select Public Health Labs

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The plan piggybacks on national influenza surveillance, testing flu-negative samples using the CDC's rRT-PCR test for the novel coronavirus.

Feb 13, 2020

POC Molecular Flu Tests Finding Resistance in Pediatrics Despite High Accuracy

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A recent study established high sensitivity and specificity for three CLIA waived point-of-care molecular flu tests in pediatric samples.

Feb 12, 2020

Diagnostics Firms Rush to Develop Rapid Point-of-Care Tests for Novel Coronavirus

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A handful of rapid 2019-nCoV assays are in the works which could help triage patients more effectively and avoid unnecessary quarantines.

Feb 12, 2020

Coronavirus Test Kits Encounter QC Hiccup in Some States, CDC Reports

The Centers for Disease Control and Prevention says one of the test reagents will likely need to be remanufactured in its labs.

Feb 04, 2020

BARDA Seeking Submissions for New Coronavirus Dx Funding

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The agency is also hosting a portal for submissions and inquiries as part of the newly created Medical Countermeasures Taskforce.

Feb 04, 2020

As Worries Grow Over Novel Coronavirus, Dx Industry Jumps Into Action

A number of firms internationally have announced development of molecular assays and reagents for the novel coronavirus 2019-nCoV. 

Feb 03, 2020

CDC Submitting Novel Coronavirus Test for EUA Following HHS Declaration of Public Health Emergency

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If granted, emergency use authorization is anticipated to help roll out standardized, consistent 2019-nCoV testing to public health labs in the US. 

Jan 30, 2020

Atila Biosystems High-Throughput Isothermal HPV Test Validated in Study

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The system showed good performance for cervical samples as well as orophyrengeal samples, and required no extraction step.

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