At present, five COVID-19 vaccines have been approved for use in China. According to the technical route, these five vaccines are divided into three categories:

1, inactivated vaccine

Including three kinds of inactivated vaccines produced by Sinopharm Zhongsheng Beijing Company, Sinopharm Zhongsheng Wuhan Company and Beijing Kexing Zhongwei Company;

2. Adenovirus vector vaccine

Type 5 adenovirus vector vaccine produced by Tianjin Kangxinuo Company;

3. Recombinant subunit vaccine

The recombinant novel coronavirus vaccine (CHO cells) produced by Anhui Zhifeilong Coma Company.