The Spanish Flu (not Spanish Flue) was the deadliest plague in human history.

The worst plague in history infected more than 500 million people around the globe. The deadliest plague in history waws 100x deadlier than your average flu, and if you got infected there was a 10% chance you wouldn't live through it. These were the harsh realities of the deadliest flu in recorded history.

But what caused the Spanish Flu? And why was the worst flu so deadly? Well, we'll be exploring that today.

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