Explained: What Is The Delta Variant Of Covid, And Why Is It Dangerous? The B.1.617 lineage was found in India – Early evidence claims that its sub-lineage B.1.617.2, known as the Delta variant, is more transmissible than contemporary lineages. Outlook Web Bureau 07 June 2021, Last Updated at 7:42 am Representational image Outlook Web Bureau 2021-06-07T07:39:17+05:30 Explained: What Is The Delta Variant Of Covid, And Why Is It Dangerous? outlookindia.com 2021-06-07T07:42:06+05:30 Also read Public Health England (PHE) in its recent risk assessment ...