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 Images David Kennedy, Penn State A 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
A second experimental COVID-19 vaccine — this one from Moderna Inc. — yielded extraordinarily strong early results Monday, another badly needed dose of hope as the pandemic enters a terrible new phase. Moderna said its vaccine appears to be 94.5% effective, according to preliminary data from an ongoing study. A week ago, competitor Pfizer Inc.