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What you need to know about the new COVID-19 variants

  • Written by David Kennedy, Assistant Professor of Biology, Penn State
What you need to know about the new COVID-19 variantsB117, the SARS CoV-2 variant that was first detected in the U.K., has been found to be 30%-80% more transmissible.Juan Gaertner/Science Photo Library via Getty Images

Editor’s note: Two new strains of the coronavirus that causes COVID-19 called B.1.1.7 and B.1.351 have been found in the U.K. and South Africa and are thought to be more...

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