Healthcare First COVID-19 vaccine human trial finds it is safe, induces immune response Updated : May 23, 2020 11:51 AM IST However, the scientists, including those from the Beijing Institute of Biotechnology in China said further research is needed to confirm the same. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.