Has Shenzhou Cell COVID-19 Vaccine passed WHO certification?

Certification. According to official website of Shenzhou Cell Engineering Co., Ltd., the active ingredients of Shenzhou Cell Tetravalent COVID-19 Vaccine include four major variants of recombinant S trimer protein antigens identified by the World Health Organization, namely α, β, δ and Omicron. It is a new generation of recombinant protein vaccine developed by the first generation monovalent vaccine at home and abroad on the basis of the original strain, which is used to neutralize the titer and protection rate of antibodies in mutant strains.