As most ventilator-associated pneumonias (VAPs) are the result of nosocomial microorganisms the environment plays an important role in the acquisition of pathogenic bacteria by contaminating health care workers hands and equipment 12,13. Furthermore, ICUs and wards struggle with colonized patients with ESBL-bacteria from sinks eventually leading to dead or outbreaks of group A streptococcus infections from contaminated curtains 14,15.