A Plague of Plaques
By 
Honestly, I don’t have the heart to ask them to change it.
Disease and war have long worked hand in hand. Concentrations of soldiers operating in unfamiliar circumstances allow the transfer and spread of pathogens across wide populations, including both civilians and opposing armies. For most of human history, disease has inflicted a greater toll on combatants than battle itself. On some occasions, armies have used disease to their advantage, inflicting a horrific toll on their enemies. Here are five of the most militarily important plagues in human history.