- Covid-19 Live Updates: Study Finds AstraZeneca Shots Drastically Cut Transmission The New York Times
- Further analysis finds Oxford-AstraZeneca COVID-19 vaccine 76 percent effective 3 months after first shot Yahoo News
- Oxford vaccine could substantially cut spread BBC News
- Oxford finds COVID-19 shot 76% effective for 3 months after single dose Yahoo News
- AstraZeneca vaccine can slow the spread of Covid and delayed second dose works, Oxford data shows CNBC
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