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Claudia and guest Professor Matthew Fox from Boston University discuss the latest Covid-19 research this week – and there’s plenty of it! There’s new data on the variant first found in the UK, plus efficacy data just out comparing the immune responses to the AstraZeneca and Pfizer vaccines. And news from India of a so called ‘double mutant’ where two variants come together. Meanwhile the big vaccine news in the US is that they have temporarily suspended the Johnson and Johnson vaccine, so much to discuss!

Plus, despite an acclaimed vaccine roll out Chile is experiencing a second wave of Covid infections. This has led some to claim that vaccine roll outs aren’t making the difference we all hoped or that it’s the type of vaccine being used. Jane Chambers reports and finds that it’s more complicated – as ever!

And David and Barbara got in touch with the Â鶹Éç about a treatable condition that can be easily confused with dementia - Normal pressure Hydrocephalus.

Finally, a study from Japan on the risk of dementia and – surprisingly - whether it has anything to do with whether there are pavements nearby.

Presenter: Claudia Hammond
Producer: Erika Wright

(Picture: Health workers give the Sinovac vaccine against Covid-19 at a vaccination centre in Santiago, Chile. Photo credit: Martin Bernetti/AFP/Getty Images.)