Covid: Decoding India’s vaccine strategy with Vikram Chandra

While the government plans 'Unlock 4' to bring in further relaxations in the countrywide lockdown, India saw yet another surge in Covid cases, in fact the biggest so far with 75,760 new infections. With India hitting another worrying milestone, we take a closer look at country's vaccine strategy. With news coming in that the Serum Institute of India has begun Phase II human trials for Oxford vaccine candidate, how soon can we expect the first effective vaccine? Top stories with Vikram Chandra