Why AstraZeneca-Oxford's Covid-19 Vaccine Is Different
P.M. Edition for Nov. 23. AstraZeneca and the University of Oxford say their two-dose Covid-19 vaccine has proven to be up to 90% effective. But its efficacy varied widely depending on the dosage. Reporter Joe Walker discusses how this third Western-developed Covid-19 vaccine is different from others and could be more widely used globally. Plus, President-elect Joe Biden plans to tap former Federal Reserve Chair Janet Yellen as the next Treasury Secretary. Annmarie Fertoli hosts.
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