New Delhi:06 Jan 21 Two firms whose coronavirus vaccines got approval from the national drug regulator this week, pledged to work for a “smooth rollout” of the vaccines today. “The more important task in front of them is saving the lives and livelihoods of populations in India and the world,” read a statement issued by Serum Institute of India and Bharat Biotech, pulling away from a controversy that surfaced over the efficacy of one of the vaccines. “Now that two COVID-19 vaccines have been issued EUA (emergency use authorization) in India, the focus is on manufacturing, supply and distribution, such that populations that need it the most receive high quality, safe and efficacious vaccines,” the statement read