Table 3.

location of air sampling points in Shahid Mustafa Khomeini hospital wards for detection of SARS-CoV-2.

Air sample no.	Hospital ward	Number of health-care worker	No. of patients	Status of COVID-19 patients	Presence of SARS-CoV-2 in air sample
1	ICU	6 people in the hospital in each shift	10	Severea, criticala	Positive
2	ICU	6 people in the hospital in each shift	10	Severe, critical	Negative
3	ICU	6 people in the hospital in each shift	10	Severe, critical	Positive
4	ICU	6 people in the hospital in each shift	10	Severe, critical	Negative
5	ICU	6 people in the hospital in each shift	10	Severe, critical	Negative
6	ICU 2	Empty	0	Empty	Negative
7	ICU Entrance hall	Empty	Not applicabled	Empty	Negative
8	Hospital entrance hall	Not applicable	Not applicable	Not applicable	Negative
9	Laboratory ward	2 people in the hospital in each shift	About 30 per day	Suspected, confirmed	Negative
10	CT scan	1 people in the hospital in each shift	About 20 per day	Suspected, confirmed	Negative
11	Radiology	1 people in the hospital in each shift	About 15 per day	Suspectedb, confirmed	Negative
12	Men internal ward	6 people in the hospital in each shift	25	Confirmed and mildc	Negative
13	Woman internal ward	6 people in the hospital in each shift	25	Confirmed and mild	Negative
14	Emergency ward	6 people in the hospital in each shift	18	Suspected	Negative

Not applicable: no hospitalized patients.

^aPatients under intubation.

^bNo intubation and no oxygen mask.

^cPatients under oxygen mask.

^dNot applicable.