Deadly Biology - S2.E2

To save millions of lives, medical martyrs have put themselves in the line of fire. Eighteenth-century obstetrician Ignaz Semmelweis plants the seeds for germ theory before a stunning downfall. Peruvian hero Daniel Carrión chases down a deadly disease using a dangerous experiment. Deep-diving inventor Sieur Freminet plays a lethal game of trial and error as he tests out his revolutionary diving suits.