The Century-Old Mystery Uncovered: What Scientists Have Learned About the 1918 Spanish Flu Virus

A Viral Enigma That Shaped the 20th Century In 1918, a deadly strain of influenza swept across the globe, killing an estimated 50 to 100 million people —more than World War I. Known as the Spanish Flu , this pandemic became a chilling benchmark for future disease outbreaks. For decades, scientists were left with more questions than answers. But now, after over 100 years, new research has finally revealed the genetic makeup and behavior of the virus , unlocking vital clues that can help us prepare for the pandemics of tomorrow. The History: How the 1918 Virus Emerged and Spread Origin: Likely emerged in military camps in the US or France Mortality rate: Up to 10–20% in some regions Age groups affected: Unusually high toll among healthy 20–40-year-olds Wave pattern: Three waves, with the second being the deadliest Global reach: Infected one-third of the global population What Scientists Have Now Discovered Thanks to advanced genomic sequencing and pre...