Pfizer COVID vaccine appears 73% effective in children under 5 - WHYY
Pfizer says three vaccine doses offer protection against Omicron
Pfizer works toward equitable and affordable access to COVID-19 vaccines and treatments around the world | Pfizer 2021 Annual Report
Labeling confusion led to wasted doses of Pfizer Covid-19 vaccine - STAT
COVID-19 Vaccine Second-Dose Completion and Interval Between First and Second Doses Among Vaccinated Persons — United States, December 14, 2020−February 14, 2021 | MMWR
COVID Booster Shots: Everything You Need to Know | The Brink | Boston University
Syringe size and supply issues continue to waste COVID-19 vaccine doses in United States | Science | AAAS
Pfizer-BioNTech pushing 3-dose COVID-19 vaccination to fight omicron variant | CBC News
Should FDA Reconsider Allowing the Pooling of COVID-19 Vaccine Doses to Obtain Additional Doses? | Institute For Safe Medication Practices
CDC director OKs Pfizer COVID-19 vaccine for kids 5-11
Real world' study shows Pfizer and Moderna vaccines were 90% effective
China's Fosun to import 7.2m doses of BioNTech-Pfizer COVID vaccine - Nikkei Asia
FDA documents show Pfizer COVID vaccine protects after 1 dose | CIDRAP
U.S. Global Vaccine Donation Commitment Tops 1.1 Billion Doses; 871,650 More Pfizer Doses Arrived in Jakarta on Thursday - U.S. Embassy & Consulates in Indonesia
2 doses of Pfizer-BioNTech vaccine provide 95% protection: Study
Pfizer vaccine vials hold some extra doses — experts say that's normal
Chart: 28 Days Later: The Pfizer/BioNTech Vaccination Process | Statista
Pfizer begins study on 3rd vaccine dose as booster shot against new variants
Mixing Pfizer, AstraZeneca Vaccines Gives Strong Covid Protection, Study Finds - The New York Times
Pfizer to seek US authorisation for third Covid-19 vaccine dose
CDC panel recommends extra dose of Pfizer vaccine for vulnerable groups | PBS NewsHour
WHO recommends two doses of Pfizer COVID-19 vaccine within 21-28 days | Reuters
Pfizer-BioNTech to Boost Supply of Vaccine Doses by 500K
Interim Estimates of Vaccine Effectiveness of Pfizer-BioNTech and Moderna COVID-19 Vaccines Among Health Care Personnel — 33 U.S. Sites, January–March 2021 | MMWR
F.D.A. Clears Pfizer Vaccine, and Millions of Doses Will Be Shipped Right Away - The New York Times
Israeli survey finds 3rd Pfizer vaccine dose has similar side effects to 2nd | Reuters
