Following the example of the oesophagoose, here's another public health campaign with challenging orthography: "Take Ovar", about ovarian cancer.
Good spelling could save your life!
In reply to @christianp
(yes, 'oesophagoose' is a thing you're supposed to see on a bus and remember long enough to put into Google, which autocorrects to 'esophagus', leaving you no closer to oesophagoose.org)