The Rules of Contagion: Why Things Spread - and Why They Stop, Adam KucharskiFrom ideas and infections to financial crises and "fake news," why the science of outbreaks is the science of modern life. These days, whenever anything spreads, whether it's a YouTube fad or a political rumor, we say it went viral. But how does virality actually work? In The Rules of Contagion, epidemiologist Adam Kucharski explores topics including gun violence, online manipulation, and, of course, outbreaks of disease to show how much we get wrong