Published: Apr 30, 2021, 21:05 IST | Updated: Apr 30, 2021, 21:05 IST
Mutants Strains Variants How has Coronavirus evolved in the last 15 months? Are these new mutants more dangerous? How many of them exist? Are they resistant to COVID vaccines? Is the worst yet to come? Watch what experts have to say on WION Wideangle.