AIIMS Delhi to conduct Phase 2/3 clinical trials of Bharat Biotech’s nasal vaccine soon: Sources AIIMS Delhi to conduct Phase 2/3 clinical trials of Bharat Biotech’s nasal vaccine soon: Sources Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Tags: AIIMS Delhi to conduct Phase 2/3 clinical trials of Bharat Biotech's nasal vaccine soon: Sources September 9, 2021 by vdc VIJAYCHOWK.COM