- AstraZeneca 79% effective in preventing symptomatic COVID-19, company saysFox News
- AstraZeneca vaccine is 79% effective against symptomatic Covid-19, company saysCNN
- AstraZeneca U.S. president explains trial data, plans for filing for U.S. approvalCNBC Television
- AstraZeneca: US data shows vaccine effective for all agesThe Associated Press
- Coronavirus latest: UK starts trials of 48-hour ‘variant test’Financial Times
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