DNA analysis uncovers causes of Napoleon's army demise in Russia

TL;DR
A French research team used ancient DNA analysis to uncover that bacteria causing typhus, trench fever, paratyphoid, and relapsing fever contributed to the massive death toll of Napoleon's 1812 Russian campaign, revealing how disease played a crucial role in the army's failure.
- DNA reveals hidden killer of Napoleon’s troops in Russia dw.com
- DNA Identifies 2 Bacterial Killers That Stalked Napoleon’s Army The New York Times
- Dead soldiers’ teeth reveal diseases that doomed Napoleon’s army The Washington Post
- DNA from Napoleon’s ill-fated 1812 army reveals what likely led to the soldiers’ demise CNN
- What killed Napoleon's army? Scientists find clues in DNA from fallen soldiers' teeth : Shots - Health News NPR
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