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Sinovac executive addresses questions over safety & efficacy
Updated 16:23, 29-Jan-2021
13:14

As China races to vaccinate its people amid the biggest holiday of the year, how are vaccine companies addressing questions over safety and efficacy? CGTN talked to a representative from one of China's biggest vaccine companies. 

Guest: 

Helen Yang, senior director of International Business Development of Sinovac Biotech

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