UK: B.1.617.2 Delta coronavirus variant cases double in four days to 2,323

The number of confirmed UK cases of the Covid variant first detected in India has almost doubled in four days, Health Secretary Matt Hancock said, as experts warned it could become the dominant type of the virus imminently.  More...

India: B1617 twice as infectious as UK coronavirus variant B117

Early indications from an analysis of the growth of the B.1.617 variant of the Covid-19 virus has shown it to be at least twice as infectious as the UK variant and thrice as infectious as the variant behind last year’s Covid-19 wave.  More...

India: B.1.617 now at 61% of coronavirus genome samples in Maharashtra – was ~20% just one month ago

The National Institute of Virology (NIV), Pune, has shared data with laboratories in Maharashtra showing that of 361 Covid-19 samples taken in Maharashtra from January to March and genome sequenced, 61% or 220 had the double mutation E484Q and L452R, now classified as B.1.617 lineage.  More...