Table 1. Hospital parameters used in the simulations.

Parameter	Value	Note
Hospital
Capacity	800 beds
Number of wards	20	40 patients per ward
HCW
Ward staff	5 per ward
General hospital staff	80	Moves across wards
Ward staff contact with patients	4 per hour	Assigned to 8 patients
General hospital staff contact with patients	3 per hour
Compliance with standard infection control	50% of opportunities	Hand hygiene opportunities are before and after contact with a patient
Patients
Average LOS, susceptible	6 days	Lognormal distribution
Average LOS, colonized	12 days	Lognormal distribution
Extension of LOS after acquiring ARB	50%
Percent colonized on admission	1% or 10%