A mutating virus
Science | A U.K. variant of the coronavirus spreads quickly
by John Dawson
Posted 1/07/21, 12:09 pm
British Prime Minister Boris Johnson on Monday ordered England into its third lockdown, warning that the nation’s hospitals could become overwhelmed within 21 days. But it wasn’t just an increase in COVID-19 cases that prompted the move—the country is also facing a new, quick-spreading variant of the virus that causes the illness.