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AstraZeneca says its COVID-19 vaccine is safe and highly effective after U.S. clinical trial
AstraZeneca: COVID-19 vaccine ‘highly effective’ prevention
A look at AstraZeneca's COVID-19 vaccine and what the clinical trials show
AstraZeneca says COVID-19 vaccine is 'highly effective'
AstraZeneca Vaccine Trials In U.S. Show Highly Effective Results Against COVID-19
U.S. Study Finds AstraZeneca Vaccine 79% Effective Against Covid-19
Coronavirus: AstraZeneca, University of Oxford says trials show vaccine "highly effective"
Covid-19 vaccine - US trial of AstraZeneca jab confirms safety
AstraZeneca vaccine 79 percent effective at preventing COVID symptoms, U.S. trial shows
Is the AstraZeneca vaccine safe?
AstraZeneca vaccine found to be 79% effective in U.S. study
Fauci Says AstraZeneca Vaccine Fared Better Than Expected in U.S. Trial