Bharat Biotech CMD Krishna Ella on vaccine efficacy

The Indian drug regulator (DCGI) has given emergency use authorisation to Covaxin, the coronavirus vaccine developed by Bharat Biotech and Covishield, the vaccine developed by Oxford University and Serum Institute of India (SII).

However, the emergency approval to Covaxin, an indigenous Covid-19 vaccine developed in India, has raised questions among many, including Congress.