The Differences Between Moderna and Pfizer COVID-19 Vaccines
Clip: 11/16/2020 | 2m 38s | Video has closed captioning.
Early data announced by Moderna today indicates that its coronavirus vaccine is 94.5% effective--just one week after Pfizer shared the successful early results of its own trials. This news couldn’t come at a more critical time, as infections increase at unprecedented speed. CNN Senior Medical Correspondent Elizabeth Cohen outlines the differences between Moderna and Pfizer's vaccines.
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