Covid update: SII's June vaccine supply; states' lockdown status; virus origin

From the Serum Institute of India claiming higher vaccine production in June, to some states relaxing, and others extending, curbs - here are the top news updates on the Covid-19 pandemic. SII, which is producing the Oxford-AstraZeneca vaccine under the name 'Covishield', said it can manufacture and supply 9-10 crore doses in June, compared to 6.5 crore in May. The situation in Maharashtra and Delhi improved, with new cases reaching a two-month low. Watch the full video for the other updates on the spread of the Sars-CoV-2 coronavirus.