There will be more clarity on the price of its COVID-19 vaccine ZyCOV-D by next week, said Managing Director of Zydus Group Dr Sharvil Patel on Saturday. "We can scale up production of a vaccine to 1 crore a month from October at the new production plant and it is expected to supply 4-5 million doses till January 2022," the Zydus Group's Managing Director said.