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- Global Covid-19 Updates: Two Doses of Pfizer and AstraZeneca Coronavirus Vaccines Effective Against Delta Variant, Study FindsThe Washington Post
- Two doses of Pfizer and AstraZeneca work against Delta variant: studyAl Jazeera English
- Coronavirus digest: 2 doses of Pfizer “effective” against deltaDW (English)
- Pfizer, AZ vaccines effective against Delta after 2 doses: studyMedscape
- Pfizer and AstraZeneca vaccines are effective against the Delta variant, as long as you receive both doses, study findsForbes
- See full coverage on Google News
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