Covid-19 Vaccine Shows 90% Effectiveness
By The Wall Street Journal
09/11/20·2m 26s
A Covid-19 vaccine being developed by Pfizer and BioNTech was more than 90% effective in latest trials. U.S. stock markets rally on the vaccine news. McDonald's reports stronger third-quarter sales after restaurants reopened over the summer. J.R. Whalen reports.
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