Table 8.

Overall performance of each SARS-CoV-2 environmental sampling method.

	Number of samples performed	Negatives (%)	Positives (%)	Notes
Wipe test	29	24 (83%)	5 (17%)	1°+3°°+1°°°
Bubbler sampling	14	7 (50%)	7 (50%)	1* + 2**+1*** + 1****+2****
Membrane sampling	4	4 (100%)	0 (0%)
Challenge test	35	31 (89%)	4 (11%)	2§ + 1§§+1§§§
Total	82	66 (80%)	16 (20%)

Notes.

° CPAP Rep Emergency.

°° DEA Distance <1 m from patient.

°°° M Inf Distance <1 m from patient.

* DEA Distance <1 m from patient.

** DEA Distance <2 m height 1.5 m (negative at height 2.5 m).

*** DEA Distance <1 m from patient, height 80 cm.

**** DEA <1 m from patient, height 80 cm.

****M Inf <1 m from patients at 0.6 m height; <2 m in patients at 1.5 m of height.

§ Distance <1 m from patient.

§§ <1 m from patient, height 80 cm.

§§§ <1 m from patients at 0.6 m in height.