Mixing Covid vaccines

Health Check - A podcast by BBC World Service - Wednesdays

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New evidence on whether mixing Covid vaccines and spreading doses out gives better results.Plus, has five years of food labels in Chile warning of high fat, sugar or salt made a difference to obesity levels? Jane Chambers reports.And what gives some people a sense of entitlement? Emily Zitek, Associate Professor of Organisational Behaviour at Cornell University explains her new research.Claudia's studio guest is James Gallagher, BBC Health and Science Correspondent.Presenter: Claudia Hammond Producer: Erika Wright(Picture: Three vials with different vaccines against Covid-19 by (L-R) Moderna, AstraZeneca and Pfizer-BioNTech. Photo credit: Thomas Kienzle/AFP/ Getty Images.)