This episode is brought to you by Wondery in partnership with National Geographic in anticipation of their new series, The Hot Zone. The three-night limited series is inspired by true events surrounding the origins of the Ebola virus and its arrival on US soil in 1989.

In the final months of World War I, the Spanish flu pandemic of 1918-1919 brings U.S. society to the breaking point, killing more than 675,000 Americans in a single year. But President Woodrow Wilson insists newspapers keep silent about the outbreak to preserve wartime morale. As the death toll mounts, Philadelphia runs out of coffins, New York City officials outlaw uncovered sneezing and coughing, and scientists race to find a cure.

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