The Taliban has denied reports that they are halting polio vaccines in Afghanistan – so what is going on? We take a look at what is happening in the country, and how it could effect polio eradication efforts worldwide.

Also on the show, an important U.S. pathogen database loses funding, and why placebos that cause you pain may be more effective.

Presenter: Claudia Hammond Producer: Margaret Sessa-Hawkins and Katie Tomsett