New Covid vaccine

Health Check - A podcast by BBC World Service - Wednesdays

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New Covid vaccine from Valneva produces stronger immune response when compared to AstraZeneca, the French company reports, with no severe cases of Covid-19 seen in either group. And new positive research on lateral flow tests. Plus guest Graham Easton discusses the urgent need for teaching climate and environmental health in medical schools.Presenter: Claudia Hammond Producer: Erika Wright(Picture: Coronavirus vaccine vials on a laboratory shelf. Photo credit: Joao Paulo Burini/Getty Images.)