The United Nations’ World Health Organization on Jan. 9 announced an outbreak of a new—or novel—coronavirus (2019-nCoV) in Wuhan, China. In the three weeks since the announcement, the virus has intensified in China, infecting thousands there and is now spreading across the globe, far beyond its origin in Hubei province. Indeed, this new coronavirus has taken nearly 200 lives in China. As Chinese public health officials strive to contain the virus, it’s important to identify three early lessons that can be drawn from the outbreak and the initial response to it to prevent this Chinese epidemic—and others that will undoubtedly...