1. Report on the Burden of Endemic Health Care-Associated Infection Worldwide Clean Care is Safer Care;WHO,2011
2. Point Prevalence Survey of Healthcare-Associated Infections and Antimicrobial Use in European Hospitals 2011–2012, Stockholm;European Centre for Disease Prevention and Control,2013
3. Annual Epidemiological Report 2016 – Healthcare-Associated Infections Acquired in Intensive Care Units., Stockholm;European Centre for Disease Prevention and Control,2016
4. Healthcare-associated infections acquired in intensive care units;European Centre for Disease Prevention and Control,2017
5. Environmental contamination makes an important contribution to hospital infection;Boyce;J. Hosp. Infect.,2007