New Delhi, Oct. 27 -- Experts spearheading the genome surveillance of the Sars-Cov-2 virus in India are analysing a set of 15-17 sequences for a second time to see if they fall under the classification of the AY.4.2 variant, days after authorities in the UK said they suspect it could be somewhat fitter (stronger) than its parent Delta variant, which in itself is one of the most dangerous versions of the coronavirus that causes Covid-19....