Titled “Public Health Interventions and Epidemic Intensity during the 1918 Influenza Pandemic,” the piece revealed, for the first time, the life-or-death importance of timing in the outcomes of 1918. Cities that intervened immediately after the arrival of the virus experienced far less disease and death. The first reported flu cases in Philadelphia had been on September 17. The first case wasn’t spotted in St. Louis until October 5—which also happened to be the day the United States surgeon general, Rupert Blue, finally acknowledged the severity of the disease and recommended that local
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