https://ora-vax.com/press-releases/oramed-subsidiary-oravax-announces-first-participant-enrolled-in-phase-1-oral-covid-19-vaccine-trial-in-south-africa/ Oravax is developing breakthrough technologies for the oral delivery of vaccines Tue, 28 Dec 2021 11:56:58 +0000 hourly 1 https://wordpress.org/?v=5.9.9