Covishield, Covaxin can neutralize ‘double mutant' of coronavirus, study suggests

The ‘double mutant’ variant carries as many as 15 mutations but two particular mutations, E484Q and L425R, have been of major concern due to their ability to escape the immune system.

source https://www.jagranjosh.com/current-affairs/covishield-covaxin-can-neutralize-double-mutant-of-coronavirus-study-suggests-1619604421-1