Handwashing: harnessing the yuck factor to improve public health

The recent E. coli O104:H4 outbreak has set us thinking about handwashing again. (We've tackled it before in  Now wash your hands)

It’s very difficult to change people’s behaviour  and to prove my point,  just watch this video
Do Shocking Images Change Hygiene Behavior”.  The video refers to a study from University of Denver "Using a relevant threat, EPPM and interpersonal communication to change hand-washing behaviours on campus" which found that making you feel awful about what might be on your hands works better than appealing to the conscience.

But as well as “yuck” factor signs which seem to work on the Denver students,  I wondered what else could be done..

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