The evolution of SARS-CoV-2 seroprevalence in Canada: a time-series study, 2020-2023
Interpretation: Data up to March 2023 indicate that most people in Canada had acquired antibodies against SARS-CoV-2 through natural infection and vaccination. However, given variations in population seropositivity by age and geography, the potential for waning antibody levels, and new variants that...
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Veröffentlicht in: | Canadian Medical Association journal (CMAJ) 2023-08, Vol.195 (31), p.E1030 |
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creator | Murphy, Tanya J Swail, Hanna Jain, Jaspreet Anderson, Maureen Awadalla, Philip Behl, Lesley Brown, Patrick E Charlton, Carmen L Colwill, Karen Drews, Steven J Gingras, Anne-Claude Hinshaw, Deena Jha, Prabhat Kanji, Jamil N Kirsh, Victoria A Lang, Amanda L.S Langlois, Marc-Andre Lee, Stephen Lewin, Antoine O'Brien, Sheila F Pambrun, Chantale Skead, Kimberly Stephens, David A Stein, Derek R Tipples, Graham Van Caeseele, Paul G Evans, Timothy G Oxlade, Olivia Mazer, Bruce D Buckeridge, David L |
description | Interpretation: Data up to March 2023 indicate that most people in Canada had acquired antibodies against SARS-CoV-2 through natural infection and vaccination. However, given variations in population seropositivity by age and geography, the potential for waning antibody levels, and new variants that may escape immunity, public health policy and clinical decisions should be tailored to local patterns of population immunity. |
doi_str_mv | 10.1503/cmaj.230949 |
format | Article |
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subjects | Canada Epidemics Risk factors Statistics |
title | The evolution of SARS-CoV-2 seroprevalence in Canada: a time-series study, 2020-2023 |
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