It's been 100 years since the most devastating flu pandemic in recorded history. The 1918 flu caused the deaths of at least 50 million people – more than the world war one was responsible for – and it was quick; within 27 weeks it had killed more people than HIV killed in 27 years. Digital Content Producer Matthew Taylor recorded Dr Kirsty Short's thoughts on the 1918 flu pandemic and the research happening in the field.