Professor Mark Lurie and other experts speak to the NY Times, weighing in to explain how differences across populations and health systems create challenges for estimating the coronavirus risk: “Since most cases are mild, and testing has not been universal, almost by definition we are failing to detect and therefore count all of the cases."

Read the full article: How Deadly Is Coronavirus? What We Know and What We Don’t

By Quoctrung Bui, Margot Sanger-Katz and Sarah Kliff