It’s early January 2020, and a mysterious new virus is overtaking the city of Wuhan, China. At first the outbreak barely makes the news, but as the threat comes into focus, scientists spring into action to make a vaccine. But the outlook’s grim – vaccines take years to create, test and approve. No one expects one to arrive anytime soon. But for two ambitious biotech start-ups, this is a chance to show the world what their cutting-edge tech can do.