- H1N1 subtype of the influenza A virus
- Indeterminate origin (newspapers misattributed epicenter to Spain)
- Began during the end of World War I
- Possibly began at an army camp in Étaples, France in 1916
- First recorded case in Haskell County, Kansas (January 1918)
- Conventionally began March 4th, 1918 at Camp Funston in Kansas
- Reached European ports in April 1918
- Reported in China in June 1918
- Second wave began in August 1918
- United States had 292,000 deaths between Sept - Dec 1918
- India had estimated 12 million deaths in 1918
- Third wave began in early 1919
- Fourth wave occurred late 1919 - early 1920
- Considered over by mid-1920
- Cases: 500 million (1/3 of the world population)
- Deaths: 17 - 100 million
Sunday, April 12, 2026
Collection of facts about the Spanish flu
This post is a collection of facts about the Spanish flu (1918-1920). There are 16 facts listed below.