Disease generation

Disease generation is the ability to spread disease through a super-power or an artificial device. In Marvel Comics continuity, Plague of the Morlocks possess ed this ability. Her effectiveness with this increased after she became Pestilence, one of the Four Horsemen of Apocalypse.

In comics

 * Uncanny X-Men 169: Plague touches Kitty Pryde. Kitty turns intangible, but some molecular elements of Plague's power still affects her. When Kitty turns tangible again, she begins to suffer the full effects of Plague's touch.