Hyderabad-based pharmaceutical company Biological E will launch its COVID-19 vaccine ‘Corbevax’ by the end of September, 2021. Corbevax is an RBD protein subunit vaccine, which is currently undergoing Phase III clinical trials. In Phase I and Phase II clinical trials, the vaccine had shown promising results. Currently, COVID-19 vaccines – Covaxin, Covishield and Sputnik V are being used in the vaccination program of the country. According to the Union Health Ministry, more than 45.37 crore doses of the vaccines have been made available to the states and union territories.