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What do the results of Pfizer’s COVID-19 vaccine trial mean?
COVID-19: What Pfizer’s vaccine trial means for the pandemic
Covid-19: Researcher blows the whistle on data integrity issues in Pfizer’s vaccine trial
COVID-19 Vaccine Science—What You Need to Know #4 | Pfizer Vaccine Trial Information
Fauci: Pfizer's Covid-19 Vaccine Trial Success May Boost Acceptance
What to know about Pfizer and Moderna's COVID-19 vaccine trials
NIH director: Pfizer vaccine trial results ‘absolutely astounding’
Pfizer Reveals Early Results From Coronavirus Vaccine Trials Show Its 90% Effective
Pfizer, BioNTech Report Positive COVID-19 Vaccine Trial Results
What Does FDA Approval of Pfizer COVID-19 Vaccine Mean? | August 27, 2021
Pfizer COVID-19 vaccine: What does '90% effective' mean? | World News | WION News
Early results suggest Pfizer vaccine is 90 percent effective at preventing COVID-19
