Staff members check COVID-19 vaccines produced at a VACSERA factory in Giza, Egypt, Sept. 6, 2021. The factories of Egypt's state-owned vaccine production company have been working nonstop over the past few months to locally manufacture millions of doses of Chinese COVID-19 vaccine Sinovac, as the most populous Arab country eyes becoming a regional hub for vaccine production and exportation. (Xinhua/Ahmed Gomaa)
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