A “double mutant” variant is a virus strain that carries two mutations. It’s not yet clear how many infections have been linked to this double…
View More India detects new ‘double mutant’ variant as Covid-19 cases spikeA “double mutant” variant is a virus strain that carries two mutations. It’s not yet clear how many infections have been linked to this double…
View More India detects new ‘double mutant’ variant as Covid-19 cases spike