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How worried should you be about coronavirus variants? A virologist explains his concerns

  • Written by Paulo Verardi, Associate Professor of Virology and Vaccinology, University of Connecticut
imageA COVID-19 patient in an ICU unit in a hospital in Capetown, South Africa, in December 2020. A variant emerged in South Africa that has since spread to other parts of the world. Other new variants could emerge elsewhere.Rodger Bosch/AFP via Getty Images

Spring has sprung, and there is a sense of relief in the air. After one year of lockdowns and...

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