Pre-Vaccine Positivity of SARS-CoV-2 Antibodies in Alberta, Canada during the First Two Waves of the COVID-19 Pandemic

Charlton CL, Nguyen LT, Bailey A, Fenton J, Plitt SS, Marohn C, Lau C, Hinshaw D, Lutsiak C, Simmonds K, Kanji JN, Zelyas N, Lee N, Mengel M, Tipples G. Pre-Vaccine Positivity of SARS-CoV-2 Antibodies in Alberta, Canada during the First Two Waves of the COVID-19 Pandemic. Microbiol Spectr. 2021; 9(1): e0029121.