Categories Articles COVID boosters working: 3 doses of Pfizer COVID vaccine provide more protection than 2 Post author By crystalg Post date February 16, 2022 Study Finds Tags Boosters, COVID, Doses', More, Pfizer, Protection, Provide, Than, Vaccine, working ← LIVE: Billionaire investor Charlie Munger blasts traders, slams crypto, and rings the inflation alarm at Daily Journal’s annual meeting → Severance Is the Rare ‘Galaxy-Brain’ Show Smart Enough to Blow Your Mind