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. 2026 May 16;14(5):445. doi: 10.3390/vaccines14050445
COVID-19 Coronavirus Disease 2019
EMR Eastern Mediterranean Region
GASTAT General Authority for Statistics (Saudi Arabia)
GCC Gulf Cooperation Council
GHO Global Health Observatory (WHO)
MCV1 First-dose measles-containing vaccine
MCV2 Second-dose measles-containing vaccine
MoH Ministry of Health (Saudi Arabia)
RD Rate difference
RR Rate ratio
WHO World Health Organization
WUENIC WHO/UNICEF Estimates of National Immunization Coverage