Table 2.

Canadian provincial COVID-19 seroprevalence surveys conducted between March 2020 and July 2020 used for model fitting.

Province and survey date		Seroprevalence				Reference
		Age adjusted % (95% CI)	Total assays, n	Positive assays, n (%)
Quebec
	July 9, 2020	2.23 (1.90-2.56)	7691	173 (2.25)	[22]
Ontario
	April 30, 2020	0.5 (0.1-1.5)	827	3 (0.36)	[21]
	May 31, 2020	1.5 (0.7-2.2)	1061	15 (1.41)	[21]
	June 18, 2020	0.96 (0.810-1.113)	19,839	189 (0.95)	[23]
	June 30, 2020	1.1 (0.8-1.3)	7014	79 (1.12)	[21]
Alberta
	June 18, 2020	0.37 (0.182-0.552)	5644	24 (0.42)	[23]
British Columbia
	March 13, 2020	0.28 (0.03-0.95)	869	2 (0.23)	[24]
	May 27, 2020	0.55 (0.15-1.37)	885	4 (0.45)	[24]
	June 18, 2020	0.50 (0.304-0.694)	4962	29 (0.58)	[23]