Chimamanda Ngozi Adichie reads her short story Olikoye

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Chimamanda Ngozi Adichie is one of Africa's most celebrated writers – with Half of a Yellow Sun, Purple Hibiscus and Americana among the books to her name. She is also one of more than 30 artists to contribute to a special artistic project on vaccination in Africa and around the world. "The art of saving a life" celebrates the powers of immunisation and draws attention to the fact that one in five children today still do not have access to vaccines. The project was commissioned by the Bill & Melinda Gates Foundation. From our BBC studios in Washington, she recorded this exclusive reading of her short story Olikoye to coincide with a major ministerial conference on immunisation in Africa which is taking place in Addis Ababa, Ethiopia. Photo: Ivara Esege