In this April 11, 2020, photo released by Xinhua News Agency, a staff member tests samples of a potential COVID-19 vaccine at a production plant of SinoPharm in Beijing. In the global race to make a coronavirus vaccine, the state-owned Chinese company is boasting that it gave its employees, including top executives, experimental shots even before the government OK'd testing in people. (Zhang Yuwei/Xinhua via AP)
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