A model of a coronavirus is displayed next to boxes for COVID-19 vaccines at an exhibit by Chinese pharmaceutical firm Sinopharm at the China International Fair for Trade in Services (CIFTIS) in Beijing, Saturday, Sept. 5, 2020. China said Friday, Oct. 9, 2020, that it is joining the COVID-19 vaccine alliance known as COVAX. (AP Photo/Mark Schiefelbein)
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