Symptoms Of New Covid Variant XE: What We Know So FarNDTVWednesday, April 06, 2022 05:34:52 PM UTCXE is a "recombinant" mutant of BA.1 and BA.2 Omicron strains. Recombinant mutations emerge when a patient is infected by multiple variants of Covid.Read full story on NDTVShare this story on:-