The world finally has a malaria vaccine. Why has it taken so long?
b'Last week the World Health Organization approved the world\\u2019s first malaria vaccine. It\\u2019s been hailed as a historic breakthrough that could save tens of thousands of lives each year. But researchers have been trying to create one for more than a century \\u2013 so why has it taken so long? Anand Jagatia speaks to Dr Latif Ndeketa and Prof Chris Drakeley about how the new RTS,S vaccine works and why it\\u2019s been so difficult to produce. Help support our independent journalism at theguardian.com/sciencepod'