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Dr. Boarhead’s Summary of Global Updates on the 2019 Novel Coronavirus: 13th December 2020 1. Nature Biomedical Engineering : Scientists reported an amplification-free nucleic acid immunoassay, implemented on a lateral flow strip, for the fluorescence detection of SARS-CoV-2 RNA in less than one hour. In a multi-hospital randomized double-blind trial involving 734 samples (593 throat swabs and 141 sputum) provided by 670 individuals, the assay achieved sensitivities of 100% and specificities of 99% for both types of samples. < 3 Dec.> [key info] Lateral flow testing is rapid and accurate. [link] https://www.nature.com/articles/s41551-020-00655-z 2. Lancet : From 24 Mar. to 29 Sep., a total of 2,873,726 users living in England signed up to use the COVID Symptom Study app, of whom 2,842,732 (98.9%) provided valid age information and daily assessments. These users provided
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