1. Save Lives Clean Your Hands. guide to the Implementation of the WHO Multimodal Hand Hygiene Strategy. Available from: http://whqlibdoc.who.int/hq/2009/WHO_IER_PSP_2 009.07_eng.pdf. [Last accessed on 2019 Jan 12].
2. World Health Organization & WHO Patient Safety. Hand Hygiene Technical Reference Manual: To Be Used by Health-Care Workers, Trainers, and Observers of Hand Hygiene Practices. World Health Organization; 2009. Available from: https://apps.who.int/iris/handle/10665/44196. [Last accessed on 2019 Jan 10].
3. Allegranzi B, Pittet D. Hand hygiene. In: Fraise A, Maillard J, Sattar S. editors. Russell, Hugo &Ayliffe's Principles and Practice of Disinfection, Preservation & Sterilization. 5th ed. New Jersey: Wiley-Blackwell Publishing Ltd; 2013. p. 418-44.
4. Damani NN. Manual of Infection Control Procedures. 2nd ed. Cambridge, UK: Cambridge University Press; 2004. p. 227.
5. Hand hygiene observation audit: Standard operating procedure;Smiddy;R Coll Physicians Ireland,2014