RT Journal Article SR Electronic T1 COVAX ANNOUNCES ADDITIONAL DEALS TO ACCESS PROMISING COVID-19 VACCINE CANDIDATES: PLANS GLOBAL ROLLOUT STARTING Q1 2021 JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 119 OP 121 VO 42 IS 1 YR 2021 UL http://smj.org.sa/content/42/1/119.abstract AB