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A worker transfers the Sinovac COVID-19 vaccine at National Medical Stores in Entebbe, Uganda, July 31, 2021. (Photo by Hajarah Nalwadda/Xinhua)
A worker transfers the Sinovac COVID-19 vaccine at National Medical Stores in Entebbe, Uganda, July 31, 2021. (Photo by Hajarah Nalwadda/Xinhua)