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People queue up to receive COVID-19 vaccines at a mobile vaccination site in Medan, North Sumatra, Indonesia, Aug. 19, 2021. (Photo by Alberth Damanik/Xinhua)
People queue up to receive COVID-19 vaccines at a mobile vaccination site in Medan, North Sumatra, Indonesia, Aug. 19, 2021. (Photo by Alberth Damanik/Xinhua)