The World Health Organization (WHO) has allowed the emergency use of Pfizer and Bioentech’s Corona virus vaccine. After the outbreak of the corona epidemic, a vaccine has been recognized for the first time by the World Health Organization (WHO). This decision of WHO has opened the way for countries around the world to use the vaccine. Please tell that Pfizer’s vaccine is already in use in many countries. After the approval, the WHO said that it would talk to the countries there about the benefits of this vaccine through its regional offices located around the world. The World Health Organization’s