The virus that caused a major global pandemic in the early 1900s was the H1N1 subtype of the influenza A virus, responsible for the 1918-1920 flu pandemic, also known as the Spanish Flu.
The 1918-1920 Influenza Pandemic (Spanish Flu)
The 1918-1920 influenza pandemic, often referred to as the Spanish Flu, was an exceptionally devastating global pandemic caused by the H1N1 influenza A virus. It stands as one of the deadliest pandemics in recorded history.
Key Facts About the Virus and Pandemic:
- Virus Type: H1N1 influenza A virus.
- Time Period: Primarily 1918-1920.
- Common Name: Spanish Flu (though it did not originate in Spain).
- Severity: Exceptionally deadly, causing widespread mortality.
Impact:
The Spanish Flu had a significant impact on global populations, leading to millions of deaths and severely impacting economies and societies worldwide.
