Medical Correspondent Elizabeth Cohen joins Christiane Amanpour to discuss Moderna’s promising coronavirus vaccine developments. Journalist Walter Isaacson shares his experience as a trial volunteer for the Pfizer vaccine. Then, Georgia Senate Candidate Jon Ossoff speaks to Amanpour about his campaign and the high stakes race. Hari Sreenivasan talks to author Nicholas A. Christakis about coronavirus and its ripple effect on society.

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