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People line up to receive a dose of the Sinopharm COVID-19 vaccine at a vaccination site April 5 in Colombo, Sri Lanka. (CNS/Dinuka Liyanawatte, Reuters)
People line up to receive a dose of the Sinopharm COVID-19 vaccine at a vaccination site April 5 in Colombo, Sri Lanka. (CNS/Dinuka Liyanawatte, Reuters)