Aiming to bolster Chinese vaccine efficacy, Chinese Centre for Disease Control and Prevention made its first public admission over effectiveness of homegrown jabs. To boost the efficacy of Sinovac Biotech’s CoronaVac Vaccine, China CDC is exploring the possibility of mixing vaccines, and varying number, quantity, interval and sequences of doses. With questions raising around Chinese vaccines and its vaccine diplomacy, China is desperate to up its game. Watch full story!