Phase I: baseline
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Hand hygiene compliance observations: healthcare workers
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22 May- 29 June 2014
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Hand hygiene knowledge questionnaire: nurses and physicians
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30 June-7 July 2014
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Phase II: intervention
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Multifaceted hand hygiene improvement programa
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10 July – 29 August 2014
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Phase III: post-intervention
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Hand hygiene compliance observations: healthcare workers
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2–30 September 2014
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Hand hygiene knowledge questionnaire: nurses and physicians
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1–4 September 2014
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Phase IV: long-term evaluation
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Hand hygiene compliance observations: physicians and nurses
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20 February – 10 April 2017
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