Table 2.

SARS-CoV-2 detection in wastewater using passive samplers and grab/autosampler.

	Auto Sampler	Passive Sampler
		Membrane	Swab	Membrane + Swab
Detection rate	10/15	11/15	11/15	12/15
N1 Ct, median	30.2	31.6	32.9	31.8
N1 Ct, range	26.5–35.1	29.5–36.2	29–36	29–36.2
N2 Ct, median	30.5	32.5	33.2	32.8
N2 Ct, range	26.7–32.6	29.7–35.9	29.8–36.8	29.7–36.8
PMMoV Ct, median	21.1	26	25	25.5
PMMoV Ct, range	19.2–26.9	24.2–28.9	23.6–27.7	23.6–28.9