"Some businesses, like some people, are “super-spreaders.” Through the lens of contagion, a yoga class, a busy corner store or a crowded neighborhood bar may look a lot like a wet market in China." 
Variation in risk between different types of businesses surprising. People spend 2x as much time at electronics stores as they do at lawn & garden stores. We found that people spend nearly 3x as much time searching through the racks at thrift store as they do at a Dollar General.
"Existence of super-spreader businesses might seem like bad news. In fact, it means most of the disease-spreading risk generated by the economy is concentrated in small portion of it – which means that we can resume much economic activity w/ minimal risk. nytimes.com/interactive/20…
