The Human clinical trials of the endogenously developed Covid-19 vaccine candidate Covaxin by Bharat Biotech and ICMR along with NIV Pune kicked off at the AIIMS, Delhi on Friday. A 30-year-old healthy male was given the first shot of vaccine of Covaxin, which is first Covid-19 vaccine of India. The volunteer will be kept in observation for two hours in the hospital. He has been sent home and will be monitored for the next seven days.