As India gears for its third phase of vaccination against COVID-19, Bharat Biotech chairperson Dr. Krishna Ella on Saturday spoke to Republic Media Network Editor-in-chief Arnab Goswami about the COVAXIN journey.  Talking on the 'Nation wants to Know', Dr. Ella explained how COVAXIN was formulated, the criticism against his vaccine, comparison between Covishield and Covaxin and BBL's nasal vaccine, booster shot of COVAXIN and vaccinating children. Bharat Biotech has teamed up with govt's ICMR to produce India's first indigenous COVID vaccine - COVAXIN.