It's common to say "I had the flu" for every cold and sniffle. But real influenza is no small malady, and often brings high fevers, severe muscle pains, exhaustion and near delirium that keep ...

In 1918, the world was at war. While soldiers fought each other on the frontlines, an even greater threat emerged, the Spanish flu. Between 50 to 100 million people died from this pandemic, ...