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. 2022 Mar 18;40(13):2011–2019. doi: 10.1016/j.vaccine.2022.02.035

Fig. 1.

Fig. 1

(A) Distribution of the approved vaccination sites categorized according to their KEPH levels (n = 622). (B) Population density distribution for >18 years per 1 km2. (C) Spatial accessibility to the COVID-19 vaccination sites.