According to the World Health Organization (WHO), nine out of 300 vaccine candidates worldwide are in phase-3 human trials. Four of those are being produced in China by Sinovac Biotech, private firm CanSino Biologics, state-owned Sinopharm Group, and China National Biotec, which is a part of Sinopharm.
Here we explain the nuts and bolts of these Chinese vaccines.
Copyright © 2020 CGTN. Beijing ICP prepared NO.16065310-3