Table 2.

Number of days SARS-CoV-2 detection in air, surface swab and wastewater samples, March to May 2021 (% days in parenthesis).

	SARS-CoV-2 detection	Surface swab sample detection
		No	Yes	Total
Wastewater sample detection (No)
Air sample detection	No	5 (20.8)	2 (8.3)	7 (29.2)
	Yes	5 (20.8)	12 (50.0)	17 (70.8)
	Total	10 (41.7)	14 (58.3)	24 (100)
Wastewater sample detection (Yes)
Air sample detection	No	14 (25.9)	7 (13.0)	21 (38.9)
	Yes	14 (25.9)	19 (35.2)	33 (61.1)
	Total	28 (51.9)	26 (48.1)	54 (100)