TY - JOUR T1 - WHO releases global COVID-19 vaccination strategy update to reach unprotected JF - Saudi Medical Journal JO - Saudi Med J SP - 976 LP - 976 VL - 43 IS - 8 A2 - , Y1 - 2022/08/01 UR - http://smj.org.sa/content/43/8/976.abstract N2 - ER -