Fake news, conspiracy theories and misinformation about health can stop people getting vaccinated, which in turn could cause diseases to spread and ultimately result in people dying.

In Sierra Leone, an NGO is educating people about typhoid and malaria by creating audio dramas, and sharing them over WhatsApp.

Meanwhile, a team based at Cambridge University in the UK wants to ‘inoculate’ people, to prevent them from believing fake stories if and when they see them in the future.

Presenter: Jo Mathys

Reporter/Producer: Mark Sedgwick

Image: The Go Viral game