AstraZeneca’s COVID-19 vaccine shows success: Here’s how it stacks up to others

Enlarge / Vials in front of the AstraZeneca British biopharmaceutical company logo are seen in this creative photo taken on 18 November 2020. (credit: Getty| NurPhoto)

AstraZeneca announced in a press release on Monday that its COVID-19 vaccine showed positive results in an interim analysis of clinical trial data.

The announcement marks the third vaccine to show strong efficacy in late-stage trials against the pandemic coronavirus, SARS-CoV-2. Though AstraZeneca's vaccine efficacy numbers are not as impressively high as those for the vaccines before it-mRNA vaccines from Pfizer/BioNTech and Moderna-AstraZeneca's does offer some advantages over those vaccines.

In all, the news adds to ballooning optimism that effective vaccines could bring an end to the global crisis in the coming year.

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