Phys.org reports that a study of genetic material recovered from the teeth of people buried in the Hagios Charalambos cave on the Greek island of Crete between about 2290 and 1909 B.C. detected the presence of extinct strains of two pathogens.

Researchers from the Max Planck Institute for Evolutionary Anthropology, the Max Planck Institute for the Science of Human History, the British School at Athens, and Temple University suggest that epidemics brought about by Y. pestis, which causes plague, and S. enterica, which causes typhoid fever, could have contributed to the collapse of Egypt’s Old Kingdom and the Akkadian Empire in Mesopotamia. It had been previously suggested that climate change may have triggered these Bronze Age population declines.

source archaeology.org

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