New Delhi, Aug. 7 -- Summary A new study suggests that Napoleon's Grand Armee perished during the 1812 retreat from Moscow due to a combination of fatigue, cold, and diseases like paratyphoid fever and louse-borne relapsing fever.

Researchers sequenced ancient DNA from soldiers' teeth, identifying pathogens that contributed to the army's collapse, challenging previous assumptions about typhus being the main cause.

Paratyphoid Fever and Relapsing Fever, both bacterial infections, may have been responsible for the collapse of Napoleon Bonaparte's Grand Armee during its retreat from Russia during the terrible winter of 1812, according to scientists.

Scientists from the Institut Pasteur and partner institutions recovered and sequenced anci...