Recombinant Omicron BA.5, BA.4 Antigens
Omicron BA.4 and BA.5 sub-lineages are increasing in many countries. They are more contagious versions of the virus compared to previous Omicron variants. Sino Biological has developed a panel of recombinant RBD/Spike and nucleocapsid protein variants which can be used to evaluate the efficacy of the antibodies and vaccination.
Learn More about Recombinant Omicron Variants from Sino Biological