Napoleon's invasion of Russia was partly doomed by epidemic typhus, primarily carried by bacteria on this parasite
[DOC] [TLE] Wikipedia Terms - Princeton University [PAR] carry .... primarily .... russian ... invasion ..... partially ...... epidemic .... napoleonic 
.... bacterial .... parasite ...... typhus ...... doomed... [DOC] [TLE] View or Print - Global HELP [PAR] medicine led by an elite that sometimes seems primarily interested in extending 
..... between bacteria and viruses) carried by ticks, fleas, and lice.