Mara Aspinall


The Variants Ratchet Up the Pressure

The biggest questions at this moment in the pandemic concern emerging variants. Over the past two weeks in preprint publications, we have learned: Viral antigen tests remain effective in their ability to detect cases of COVID-19 driven by new variants. New objective comparisons of viral antigen tests: Clinitest; RAY Crispr; Panbio. Good news: Israel is the first real-world example of...
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How Worried Should We Be About Emerging Strains of SARS-CoV-2?

All virus strains mutate continuously. That’s normal. There’s nothing inherently concerning about that word, “mutation.” Unless, of course, the mutations give an evolving virus new properties that make it more transmissible or more pathogenic. That’s trouble. The news has been worrisome in recent weeks with reports on the B.1.1.7 strain first detected in the UK, and other new strains of...
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