This is not true. At present, there is no official response. Tik Tok said that Beikexing vaccine is not true, and there is no official response at present. Beijing Kexing Zhongwei vaccine is not fake, and China Kexing COVID-19 vaccine has passed the WHO emergency use certification. In June last year, the inactivated COVID-19 vaccine Kelaifu, developed by China Beijing Kexing Zhongwei Biotechnology Co., Ltd., officially passed the WHO emergency use certification. The data showed that the effective rate of Kexing vaccine in preventing COVID-19's symptoms was 5 1%, and the effective rate in preventing COVID-19's serious illness and hospitalization was as high as 100%. All information is subject to the official release.