Bharat Biotech's 'Covaxin', a potential vaccine against the coronavirus infection, will be at least 60 per cent effective and the Indian biotechnology company is aiming to launch the coronavirus vaccine candidate in Q2 of 2021, confirmed a top official of the company. In an exclusive interview with India Today TV, Sai D Prasad, president, Quality Operations at Bharat Biotech, said while the company is aiming for at least 60 per cent effectiveness of the coronavirus vaccine candidate 'Covaxin', it could also be more. Bharat Biotech and ICMR are working on 'Covaxin', one of the indigenous coronavirus vaccine candidates being developed in India. Watch this video to know more.