1. Simplifying the WHO ‘how to hand rub’ technique: three steps are as effective as six— results from an experimental randomized crossover trial 
S. Tschudin-Sutter, M.L. Rotter, R. Frei, D. Nogarth, P. Häusermann, A. Stranden, D. Pittet, A.F. Widmer 
Clinical Microbiology and Infection 
Volume 23, Issue 6, Pages 409.e1-409.e4 (June 2017)
DOI: /j.cmi
Copyright © 2016 European Society of Clinical Microbiology and Infectious Diseases Terms and Conditions

2. Fig. 1 Three-step hand hygiene technique.
Clinical Microbiology and Infection  , 409.e1-409.e4DOI: ( /j.cmi )
Copyright © 2016 European Society of Clinical Microbiology and Infectious Diseases Terms and Conditions

3. Fig. 2
Differences in bacterial colony counts between both techniques before use of hand rub (a), after use of hand rub (b) and differences in reduction factors between both techniques (c).
Clinical Microbiology and Infection  , 409.e1-409.e4DOI: ( /j.cmi )
Copyright © 2016 European Society of Clinical Microbiology and Infectious Diseases Terms and Conditions