November 18, 20201 min read, 208 words
Published: November 18, 2020 | 1 min read, 208 words
An experimental Covid-19 vaccine from Pfizer Inc. and BioNTech SE was 95% effective in final results from a pivotal study and is showing signs of being safe, key pieces of data as the companies prepare to ask health regulators to authorize use. Pfizerplans to seek authorization f...
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