Who will get the first dose of COVID-19 vaccine? How effective is it? Expert answers all your questions

As India gears up for coronavirus vaccination drive with three vaccine candidates, (Oxford-Astrazeneca, Pfizer-BioNTech and Moderna) under regulatory review, here are some frequently asked questions by people. We have got your queries answered with an exclusive interview with Dr Sudarshan Ballal. In this video, he talks about who will get the Covid-19 vaccine first, its side-effects, the security, storage of the vaccines, etc.