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Claudia Hammond and her studio guest Dr Sneh Khemka look at the new headline-making Ebola vaccine and other vaccines under development against the virus which has killed more than 11,000 people since its outbreak last year in West Africa.

Also in the spotlight, the world’s first malaria vaccine received its first regulatory green light. But is it effective and protective enough to roll out in low-income countries? Kenyan global health expert Tabitha Mwangi isn’t convinced.

Plus an immunisation success story from Nigeria. A decade ago Nigeria became one of the world’s last hotspots for polio after vaccination boycotts in the north of the country. Happily, in the past year, there has not been one reported case of polio in the country. Former Nigerian minister of health Dr Muhammad Pate and medical anthropologist Heidi Larson talk about how this dramatic turnaround came about.

(Photo credit: Alphanso Appleton)