The BBC’s Witness History series goes back in time to key events in history and shares the story of our times told by the people who were there. Virus Outbreaks and Breakthroughs explores first-person accounts of major moments in the battle against infectious diseases. From the Spanish influenza of 1918, to the SARs epidemic of the early 2000s, hear accounts from people who have suffered from viral diseases and those who have worked to find a cure.