Business News Pfizer to seek authorisation for 3rd booster shot The companies said that they believe that a third dose may be needed within six to 12 months after full vaccination Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Haj: Saudi completes online registration, selects 60,000 pilgrims Haj: Saudi selects 60,000 pilgrims this year amid Covid