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On the campaign trail, President-elect Donald Trump spoke of putting "America first", suggesting that foreign aid and trade would not be his priorities. Presenter Manuela Saragosa speaks to Nigeria's former Finance Minister Ngozi Okonjo-Iweala about what this means for Africa's economy and the global health projects being partly financed by the US government.

Plus, we hear from Bill Gates and Sir Andrew Witty, the chief executive officer of drugs company GlaxoSmithKline about a new project to finance and develop vaccines designed to outsmart epidemics.

(Photo: Girl receives a yellow fever vaccine in Brazil. Credit: Douglas Magno/AFP/Getty Images)