EXHIBIT 1.

Relative Reduction In MRSA Prevalence For Various Active Surveillance And Contact Isolation Campaigns Implemented At 75 Percent Contact Isolation Compliance Over 10 Simulated Years

	This hospital only (%)	5 highest- capacity hospitals (%)	10 highest- capacity hospitals (%)	All hospitals (%)
ACUTE CARE HOSPITAL AFFECTED
A	14.9	2.2	2.8	20.2
B	13.6	14.4	14.8	15.6
C	13.5	2.3	3.5	19.6
D	10.3	11.4	12.0	13.6
E	8.3	1.0	2.7	11.9
F	6.7	2.3	4.7	12.2
G	9.9	1.6	2.9	14.9
H	19.1	1.9	2.6	22.8
I	17.0	17.2	17.7	18.5
J	12.5	1.2	14.2	16.8
K	10.6	1.2	12.6	14.6
L	16.9	17.6	19.3	20.2
M	12.5	2.3	3.6	17.2
N	9.4	1.7	3.1	15.5
O	11.2	1.6	13.2	15.6
P	13.1	1.3	2.1	15.9
Q	8.7	0.7	9.7	10.6
R	15.6	0.36	0.7	16.4
S	9.8	1.2	2.4	13.5
T	11.3	1.7	2.8	20.2
U	8.6	0.9	9.2	9.4
V	12.2	12.7	13.1	13.9
W	10.5	2.9	4.7	17.8
X	9.3	1.5	3.0	16.5
COUNTYWIDE ACUTE CARE REDUCTION
Mean	—	4.3	7.4	16.0
Median	—	1.7	4.2	15.7

SOURCE Author-generated data. NOTE MRSA is methicillin-resistant Staphylococcus aureus.