21
National Nurses United
World Health Organization (July 11, 2018). "Number of
people (all ages) living with HIV Estimates by WHO
region." Available at http://apps.who.int/gho/data/
view.main.22100WHO?lang=en (Accessed Sept 13,
2018).
Yanke, E. et al. (2015). Understanding the current state
of infection prevention to prevent Clostridium diffi-
cile infection: A human factors and systems engineer-
ing approach. Am J of Infection Control, 43, 241-7.
Zborowsky, T. (2014). The Legacy of Florence Night-
ingale's Environmental Theory: Nursing Research
Focusing on the Impact of Health care Environments.
HERD, 7(4), 19-34.
Zoltan, I. (Aug 9, 2018). "Ignaz Semmelweis." Encyclo-
paedia Britannica. Available at https://www.britan-
nica.com/biography/Ignaz-Semmelweis (Accessed
Sept 13, 2018).
Zuberi, D. Cleaning Up: How Hospital Out$ourcing is
Hurting Workers and Endangering Patients. Ithaca,
NY: Cornell Univ Press, 2013.
Zucca, M. & Savoia, D. (2010). The Post-Antibiotic Era:
Promising Developments in the Therapy of Infectious
Diseases. Int J Biomed Sci, 6(2), 77-86.
60 Minutes (Aug 6, 2017). "60 Minutes Investigates
Medical Gear Sold During Ebola Crisis." Available
at https://www.cbsnews.com/news/60-minutes-in-
vestigates-medical-gear-sold-during-ebola-crisis-3/
(Accessed Sept 12, 2018).