Peter Piot interview: 'I never imagined the Ebola virus would get out of control'

In 1976, when Peter Piot, a young Belgian microbiologist, was sent to investigate an outbreak of a mysterious virus in a remote part of the Democratic Republic of Congo (then Zaire), he could never have predicted how the new pathogen that he viewed through his microscope would change his life – nor the devastation it would cause nearly four decades later.