Plagues Upon the Earth: Disease and the Course of Human HistoryA sweeping germ's eye view of history from human origins to global pandemics Plagues upon the Earth is a monumental history of humans and their germs. Weaving together a grand narrative of global history with insights from cutting edge genetics, Kyle Harper explains why humanity's uniquely dangerous disease pool is rooted deep in our evolutionary past, and why its growth is accelerated by technological progress. He shows that the story of disease is