To increase the level of immunity, Mongolia is inoculating its citizens above the age of 18 with the choice of Sinopharm and Pfizer vaccines.  
Foreigners residing in Mongolia can receive booster shots of the coronavirus vaccine regardless of their nationality. They can go to the nearest immunization center with a passport and residence permit to receive the additional dose.
A coronavirus booster vaccine dose helps improve the protection you have from your first 2 doses of the vaccine.
As of today, 2470 foreign nationals have received the 3rd dose of coronavirus vaccine.