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Pfizer vaccine trial success signals breakthrough in pandemic battle| Coronavirus Outbreak|WorldNews
German company BioNTech and Pfizer announce 90% effective coronavirus vaccine | COVID-19 Special
Coronavirus: Pfizer vaccine data shows promise, but more data still needed
Pfizer says COVID-19 treatment 90% effective in trials | ABC News
Pfizer says COVID-19 vaccine trials are 90% effective
DAYBREAKER: Pfizer’s COVID Vaccine Announcement
Pfizer, BioNTech initial vaccine results impress, but scientists remain cautious
Dr. Anthony Fauci Discusses COVID-19 Pandemic & Vaccination Efforts | LIVE
Pfizer vaccine news sends stock markets soaring | World News
Portland played a big role in the Pfizer vaccine research
Pfizer's COVID-19 vaccine '90% effective' in Phase 3 trial | Evening wRap
New York's Mount Sinai prepares to distribute Pfizer vaccine | World News | WION News
