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  1. AstraZeneca to withdraw Covid vaccine - BBC News

  2. The Oxford/AstraZeneca (ChAdOx1-S [recombinant] vaccine) …

  3. Covid vaccine: AstraZeneca updates US vaccine efficacy results - BBC

  4. AstraZeneca says COVID-19 vaccine shows 76% efficacy in …

  5. AstraZeneca and Novavax COVID Vaccines: What We Know So Far

  6. COVID-19 Vaccines | FDA - U.S. Food and Drug Administration

  7. Oxford–AstraZeneca COVID-19 vaccine - Wikipedia

  8. Covid vaccine: US trial of AstraZeneca jab confirms safety

  9. Update on the safety of COVID-19 Vaccine AstraZeneca

  10. Latest AstraZeneca Report Supports Effectiveness Of COVID Vaccine

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