Napoleon's invasion of Russia was partly doomed by epidemic typhus, primarily carried by bacteria on this parasite
[DOC] [TLE] A History Of Medicine - Global HELP [PAR] also hazardous: the African trypanosomiasis parasite carried by tsetse flies ..... 
primarily involved in primitive first aid, the giving of drugs, ...... Russia and Turkey, 
and to virtually all the major medical ...... the typhus epidemic that followed 
Napoleon's retreat from ...... on invading bacteria.