Secrets of the Dead - Season 4 - Eps 3: Killer Flu
(Disease & Disaster) In 1918, a flu pandemic ripped through the global population with such speed and virulence that by the end of the following year an estimated 40 million people would be dead. Where did this come from and what made it so deadly? Virologists and epidemiologists the world over are still hunting down the answers.
About Secrets of the Dead

Title: Secrets of the Dead
First Air Date: 2000-05-15
Last Air Date: 2025-02-26
Status: Returning Series
Rating: 6.3/10 (from 19 votes)
Language: EN
Seasons: 23
Total Episodes: 115
Network: PBS
Genres: Documentary, Mystery
Production Companies: Thirteen
Synopsis
Part detective story, part true-life drama, long-running series explores some of the most iconic moments in history to debunk myths and shed new light on past events. Using the latest investigative techniques, forensic science and historical examination, it shatters accepted wisdom, challenges prevailing ideas, overturns existing hypotheses, spotlights forgotten mysteries, and ultimately rewrites history.