Business COVID-19 vaccine should be available for public by Apr 2021: Serum Institute CEO Updated : November 20, 2020 03:25 PM IST ”It will be 2024 for everybody, if willing to take a two-dose vaccine, to be vaccinated,” Poonawalla said. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.