https://www.newsbuyback.com/2020/07/icmr-%e0%a4%94%e0%a4%b0-bharat-biotech-%e0%a4%95%e0%a5%87-covaxin-%e0%a4%95%e0%a5%87-human-trial-%e0%a4%aa%e0%a4%b0-%e0%a4%97%e0%a4%ae%e0%a5%8d%e0%a4%ad%e0%a5%80%e0%a4%b0-%e0%a4%b8%e0%a4%b5%e0%a4%be/