Nandu News reporter Wu Bin sent from Beijing Nandu reporter learned from Kexing that SINOVAC Kexing recently obtained two strains of the new coronavirus Omicron (Omicron) strains from Hong Kong. The latest laboratory findings show that 20 doses of Koching inactivated COVID-19 vaccine and 48 doses of three doses of vaccine were tested for neutralizing antibodies using one of the Omicron virus strains, and the positive rate of serum neutralizing antibodies after 20 doses of two doses of vaccine was 35% (7/20) and the positive rate of serum neutralizing antibodies after 48 doses of three doses of vaccine was 94% (45/48).
According to Coshing, this result shows that the vaccination of a third dose of the new crown vaccine can effectively improve the neutralization ability of serum to the Omicron virus strain.
Comparative testing using another strain of Omicron virus is underway. SINOVAC Koxing said further studies are being conducted on serum at more post-immunity time points and with different antibody levels to obtain a comprehensive evaluation of the effects of the Omicron virus strain on the vaccine.
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