CoronaVac is a coronavirus vaccine candidate made by Sinovac Biotech Ltd.
And in July 2020, it approved to use as part of a programme in China to vaccinate high-risk groups such as medical staff.
Also, China National Biotec Group (CNBG) also had obtained emergency use approval for a coronavirus vaccine candidate in social media platform WeChat.
As cited News24xx.com from Reuters news agency, CNBG is a unit of state-owned pharmaceutical giant China National Pharmaceutical Group (Sinopharm) and has two vaccine candidates in phase 3 clinical trials.
But until today, CNBG did not say which of its vaccines had been cleared for emergency use.