Assessment of population infection with SARS-CoV-2 in Ontario, Canada, March to June 2020 Bolotin, Shelly and Tran, Vanessa and Deeks, Shelley L and Peci, Adriana and Brown, Kevin A and Buchan, Sarah A and Ogbulafor, Katherene and Ramoutar, Tubani and Nguyen, Michelle and Thakkar, Rakesh and DelaCruz, Reynato and Mustfa, Reem and Maregmen, Jocelyn and Woods, Orville and Krasna, Ted and Cronin, Kirby and Osman, Selma and Joh, Eugene and Allen, Vanessa G, Eurosurveillance, 26, 2001559 (2021), https://doi.org/10.2807/1560-7917.ES.2021.26.50.2001559