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Pfizer coronavirus vaccine was 95% effective with no safety concerns

November 18, 2020. Summarized by summa-bot.

FILE - This May 4, 2020, file photo provided by the University of Maryland School of Medicine, shows the first patient enrolled in Pfizer's COVID-19 coronavirus vaccine clinical trial at the University of Maryland School of Medicine in Baltimore. On Monday, Nov. 9, 2020, Pfizer said an early peek at its vaccine data suggests the shots may be 90% effective at preventing COVID-19. (Courtesy of University of Maryland School of Medicine via AP, File)

Pfizer's coronavirus vaccine is 95% effective in preventing Covid-19 infections, even in older adults, and caused no serious safety concerns, the company said Wednesday.

(CNN)A final analysis of the Phase 3 trial of Pfizer's coronavirus vaccine shows it was 95% effective in preventing infections, even in older adults, and caused no serious safety concerns, the company said Wednesday.

The observed efficacy in adults over 65 years of age was over 94%," Pfizer and its German partner BioNTech said in a joint statement.

"To date, the Data Monitoring Committee for the study has not reported any serious safety concerns related to the vaccine," the companies said.

Pfizer said on November 9 that interim data provided initial evidence the vaccine had an efficacy of more than 90%.

Pfizer said of 43,661 volunteers enrolled, 41,135 have received a second dose of the vaccine or placebo.

"Based on current projections, the companies expect to produce globally up to 50 million vaccine doses in 2020 and up to 1. 3 billion doses in 2021," they said.

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