1918 Influenza Pandemic The 1918 flu pandemic (January 1918 – December 1920) was an unusually deadly influenza pandemic, the first of the two pandemics involving H1N1 influenza virus. It infected 500 million people across the world, including remote Pacific islands and the Arctic, and resulted in the deaths of 50 to 100 million (three to five percent of the world's population), making it one of the deadliest natural disasters in human history. Epidemiology Influenza Epidemic, 1918-1919 The Flu Epidemic of 1918Spanish Flu EpidemicInfluenza Epidemic of 1918-19 1918-01 1920-12 USA https://steamboatlibrary.marmot.org/GroupedWork/3e910214-55fe-00c8-cdeb-c1ed259e71ec Book: "Flu: the story of the great influenza pandemic of 1918 and the search for the virus that caused it" yes yes