The novel coronavirus now epidemic in China has features that may make it very difficult to control. If public-health authorities don’t interrupt the spread soon, the virus could infect many thousands more around the globe, disrupt air travel, overwhelm health-care systems, and, worst of all, claim more lives. The good news: There’s still an opening to prevent a grim outcome. China failed to contain the virus early. Experience with the 2009 H1N1 flu pandemic suggests that emergency measures...

Source: Wall Street Journal January 28, 2020 23:51 UTC