There are 1300 health care institutions participating in the campaign by March 2013. Among those are 815 hospitals (45% of all hospitals in Germany), 66 rehabilitation clinics, 242 long term care facilities and 183 outpatient care facilities. There was an increase of AHC of 47,5% (p<0,001) in 166 hospitals that provided AHC data consecutively from 2007 to 2011. Hand rub dispenser availability increased to over 90% in non-ICU’s and to over 100% in ICU’s (p<0,001). Compliance increased from 64% before to 74% after one intervention in 82 hospitals with 249 units (136205 HHO’s) (P<0,001). 6 hospitals with 25 units have observed over four periods. Observed HH compliance increased from 60% at baseline to 71,2% after four observation periods (p<0,001).