Nov 23, 2020

Oxford-AstraZeneca vaccine 70% effective on average at preventing COVID-19

Lisa Maree Williams/Getty Images

Tweaking the vaccine dose can improve its efficacy. Plus, what's the cost of not getting a vaccine to everyone in the world? And, China proposes a QR code system to open up international travel.

The team

David Brancaccio Host

Victoria Craig Host, BBC

Stephen Ryan Senior Producer, BBC

Jonathan Frewin Producer, BBC

Daniel Shin Producer

Jay Siebold Technical Director

Meredith Garretson Morbey Senior Producer

Alex Schroeder Producer

Erika Soderstrom Producer

Rose Conlon Producer

Brian Allison Technical Director

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