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AstraZeneca scrambles to address concerns about vaccine data
AstraZeneca is facing new questions today after a highly unusual reprimand from a board overseeing the company’s clinical vaccine trials.The company is scrambling to respond to allegations that it used misleading data when claiming its vaccine was 79 percent effective against COVID-19 symptoms. Nick Schifrin breaks down the latest with epidemiologist Dr. Jennifer Nuzzo of Johns Hopkins University.
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