{"id":"W4385808053","doi":"10.1503/cmaj.230249","title":"The evolution of SARS-CoV-2 seroprevalence in Canada: a time-series study, 2020–2023","year":2023,"lang":"en","type":"article","venue":"Canadian Medical Association Journal","topic":"SARS-CoV-2 and COVID-19 Research","field":"Medicine","cited_by":55,"is_retracted":false,"has_abstract":true,"ca_institutions":"Saskatchewan Health","funders":"Public Health Agency; Public Health Agency of Canada","keywords":"Seroprevalence; Vaccination; Medicine; Population; Pandemic; Immunity; Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2); Coronavirus disease 2019 (COVID-19); Demography; Herd immunity; Immunology; Antibody; Virology; Serology; Environmental health; Internal medicine; Disease; Immune system; Infectious disease (medical specialty)","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":true,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001239006,0.0005471663,0.0004377701,0.001791064,0.001663417,0.001349014,0.001174104,0.000667083,0.001384087],"category_scores_gemma":[0.002494278,0.0003427129,0.0009802552,0.004479105,0.0006043856,0.0004716698,0.0008251562,0.0009055057,0.0002778285],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.02197958,"about_ca_system_score_gemma":0.02560201,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9905514,"about_ca_topic_score_gemma":0.9873838,"domain_scores_codex":[0.999169,0.00006493932,0.00004771923,0.0001657395,0.0002938124,0.0002587922],"domain_scores_gemma":[0.9973859,0.0001546516,0.0004448488,0.0001106725,0.001417495,0.0004864772],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001822753,0.00003316778,0.9934838,0.00003135914,0.0001447458,0.00008132942,0.0003034791,0.0005624604,0.0001929951,0.0001141395,0.001446278,0.003423969],"study_design_scores_gemma":[0.000006327388,0.00002133474,0.9974352,0.0000178489,0.00002936377,0.00004866068,0.0003774788,0.001158947,0.00005647737,0.00002289362,0.0008148777,0.00001069455],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9758373,0.0009100444,0.0003471217,0.0004482494,0.00002076544,0.00004893265,0.02065693,0.00003507641,0.001695583],"genre_scores_gemma":[0.9895185,0.0004244538,0.0003039536,0.0001236563,0.000006626401,0.00002530242,0.008767406,0.000009357904,0.0008208775],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02197958,"threshold_uncertainty_score":0.1594737,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02138876955239946,"score_gpt":0.3060058672310786,"score_spread":0.2846170976786792,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}