Why it matters that the coronavirus is changing – and what this means for vaccine effectiveness
- Written by David Kennedy, Assistant Professor of Biology, Penn State
The French government will not accept any passengers arriving from the U.K. amid fears over the new mutant coronavirus strain. Steve Parsons/PA Images via Getty ImagesA new variant of SARS-CoV-2 is spreading rapidly in the United Kingdom, with over 1,400 cases since September. SARS-CoV-2, the virus that causes COVID-19, generally accumulates...

