Table II.

Environmental specimens from Ward 2 taken on days 1 and 2^a

Environmental specimens	RT–PCR
RT–PCR (Ward 2, day 1)b	CT (E gene)
Patient room 11 (two-bed)
Call bell	32.28
Commode	34.82
Bed rail	33.92
Table top	31.98
A random blood pressure monitor, thermometer, bladder scanner and O2 monitor and shower room (N = 5)	Negative
Room 13 specimens (call bell, bed rail, light switch, table top (N = 4))	Negative
RT–PCR (Ward 2, day 2)	CT (N gene)
Room 13 (overcapacity space)
Vital signs cart 1: thermometer 1	19.14
Vital signs cart 1: metal temperature probe	18.27
Vital signs cart 1: pulse oximeter	19.15
Vital signs cart 1: push handle	17.14
Commode: under seat and armrests	19.26
Patient room 14 (four-bed)
Vital signs cart 2: thermometer 2	18.1
Vital signs cart 2: pulse oximeter 2	18.8
Vital signs cart 2: push handle and monitor buttons	20.14
Vital signs cart 2: stethoscope	18.06
Patient room 11 (two-bed)
Commode: under seat, armrests	16.92
Patient room 9 (two-bed)
Commode	15.2
Bed rail	19.4
Call bell	20.08
Stethoscope hanging on door	19.7
Patient room 12 (private)
Room sink taps and vanity counter	18.48
Call bell (on bedrail only)	18.5
Vitals monitor buttons, thermometer, pulse oximeter	18.53
Computer on wheels between rooms 10 and 11
Computer keyboard and mouse	17.23
Shared equipment stored across from room 5
Bladder scanner: push handle, wand, monitor buttons, gel bottle	16.96
Masimo vital cart: push handles, temp probe, monitor buttons, pulse oximeter	17.44

^aDays 1 and 2 on Ward 2 correspond to days 19 and 20 (related to Ward 1), as per Figure 2B.

^bAll strains were confirmed Delta by reverse transcription–polymerase chain reaction (RT–PCR) [11].