How transmissible is the new 'XE' variant of Covid-19? IMA Covid task force answers
India | Apr 07, 2022, 08:02 PM ISTIMA COVID task force co-chairman Jayadevan said that the XE variant is the combination of BA.1 and BA.2 where X stands for Recombinant Type and E is the sequence of its discovery. Mutation and recombination are techniques used by viruses to become fitter.