Zee News COVID-19: Is `Delta Plus` a Variant of Concern? Check what Centre has to say June 16, 2021 easyway The highly transmissible Delta variant of SARS-CoV-2, first found in India, has now mutated to form the 'Delta plus' or 'AY.1' variant. from Zee News :India National https://ift.tt/2TEN8ok