The Oxford coronavirus vaccine produced by India's Serum Institute could be ready as early as December and the first batch of 100 million doses should be available by the second or third quarter of 2021, Adar Poonawalla, chief of the Pune-based company told NDTV on Wednesday. "If we don't go for an emergency license, our trials should be over by December and then we can maybe we can launch in India in January subject to the UK trial also being completed which it's on the verge on being completed," Mr Poonawalla said.