Humanity has forever been plagued by infections and has—for well over 2,000 years now—tried to fight them, beginning in the Iron Age with herbs and mantras, to vaccines and other complex drugs including antibiotics in the present day. From the rather simplistic belief that the human body was built of a few elemental Humours and that the disruption of the balance among them caused disease, to a deep understanding of the molecular processes that sustain life and bring it to states of dis