Beijing Biological and Lanzhou Biological Xin Guan vaccines belong to the same kind of vaccine and can be mixed, both vaccines are safe and effective. Lanzhou Biological Xin Guan Vaccine’s vaccine stock solution is provided by Beijing Biological, and Lanzhou Biological packages and subassembles the stock solution produced by Beijing Biological, and the contents of Xin Guan Vaccine produced by both companies are produced by Beijing Biological, so mixing of the two vaccines is completely possible. Both Beijing Bio and Lanzhou Bio’s new crown vaccine are inactivated new crown vaccines, and the basic immunization program for this type of vaccine is 2 doses, the first dose of Beijing Bio’s new crown vaccine and the second dose of Lanzhou Bio’s new crown vaccine, or the first dose of Lanzhou Bio’s new crown vaccine and the second dose of Beijing Bio’s new crown vaccine are both available. In addition, its booster shots can also be mixed, both are safe and effective. You should consult your doctor at the nearest hospital for other vaccinations.