India's double mutant Covid variant found in 17 countries: WHO
World | Apr 28, 2021, 04:33 PM ISTUp till April 27, B1617 variant had been detected in over 1,200 sequences uploaded on the open-access database GISAID (the Global Initiative on Sharing Avian Influenza Data) "from at least 17 countries", the global health agency said in its weekly epidemiological update on the pandemic.