Business News Third dose of Pfizer vaccine in Dubai: All you need to know The third dose of the Pfizer vaccine is meant for moderately or severely immunocompromised patients who are 12 years or older. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Expo 2020: Free day pass for flydubai passengers Dubai: Jobless Pakistani expat wins Dh1 million in Mahzooz draw