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Questions and Answers
What caused the Spanish flu pandemic in 1918?
What caused the Spanish flu pandemic in 1918?
The Spanish flu pandemic was caused by the H1N1 influenza A virus.
How long did the Spanish flu pandemic last and how many people were infected?
How long did the Spanish flu pandemic last and how many people were infected?
The Spanish flu pandemic lasted about 15 months from spring 1918 to early summer 1919, and infected around 500 million people, about a third of the world's population at that time.
What was unusual about the mortality rate during the Spanish flu pandemic?
What was unusual about the mortality rate during the Spanish flu pandemic?
The Spanish flu pandemic resulted in a higher-than-expected mortality rate for young adults, whereas most influenza outbreaks disproportionately kill the very young and the very old.
