Gene-HBvax Recombinant hepatitis B vaccine

Gene-HBvax is a recombinant Hepatitis B vaccine used to prevent Hepatitis B virus infection. This vaccine utilizes the surface antigen of the Hepatitis B virus (HBV) obtained through culturing genetically engineered Hansenula polymorpha yeast cells containing the HBV surface antigen gene. The Hepatitis B surface antigen (HBsAg) is purified through various chemical processes, including ultracentrifugation, column chromatography, and formaldehyde treatment.

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