A new story is frequently being whispered in the dark corners of taverns across the country, telling of a traveler that occasionally appears in quiet, rural towns; that draws with him a plague worse than any other: a dragon's wrath.
Ã¢??IÃ¢??m not telling that story againÃ¢?Â the bard protested, leaning on the hearth of the inn with his arms crossed in defiance Ã¢??everyone has heard it over and overÃ¢?Â¦why not something else?Ã¢?Â
Pick up a pathology/microbiology book, and add the diseases/syndroms to your game. Your players will freak out.
Coughed at? Diphteria. or tuberculosis?
Drunk from a muddy stream? Or just walked through? Well, let us introduce you to schistosomiasis...
Hit by a stream of energy? Too moch mana is ust like too much radioactivity - perhaps all mages could develop cancer early if too powerful...