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Chinese medics test COVID-19 vaccines efficacy against mutations

CGTN, 13 Feb 2021
For more:
https://www.cgtn.com/video

Chinese medics are racing against the clock to assess COVID-19 vaccines' efficacy against the new coronavirus strains appearing across the globe. Vaccine and syringe production lines in China are working at full steam during the Spring Festival to meet increasing demand. #China #Vaccine

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