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A health official draws a dose of AstraZeneca's COVID-19 vaccine at Infectious Diseases Hospital Jan. 29 in Colombo, Sri Lanka. (CNS/Dinuka Liyanawatte, Reuters)
A health official draws a dose of AstraZeneca's COVID-19 vaccine at Infectious Diseases Hospital Jan. 29 in Colombo, Sri Lanka. (CNS/Dinuka Liyanawatte, Reuters)