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Collapse of Aztec Society Linked to Catastrophic Salmonella Outbreak

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Spanish invasion of Mexico

The Spanish invasion of Mexico, depicted in a nineteenth-century illustration, was followed by a series of epidemics of unknown cause.

Credit: Bettmann/Getty

One of the worst epidemics in human history, a sixteenth-century pestilence that devastated Mexico's native population, may have been caused by a deadly form of salmonella from Europe, a pair of studies suggest.

From Nature
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