{"id":"W3133780187","doi":"10.1101/2021.03.04.21252540","title":"COVID Seroprevalence, Symptoms and Mortality During the First Wave of SARS-CoV-2 in Canada","year":2021,"lang":"en","type":"preprint","venue":"medRxiv","topic":"SARS-CoV-2 and COVID-19 Research","field":"Medicine","cited_by":8,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"National Research Council Canada; Krembil Foundation; Government of Ontario; Royal Bank of Canada; Genome Canada; Ontario Genomics; Pfizer","keywords":"Seroprevalence; Medicine; Asymptomatic; Case fatality rate; Coronavirus disease 2019 (COVID-19); Pandemic; Demography; Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2); Epidemiology; Serology; Internal medicine; Immunology; Antibody; Disease; Infectious disease (medical specialty)","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0006664667,0.0003354614,0.0007855478,0.0001648707,0.00008929628,0.00004245254,0.0004004622,0.0002147569,0.00002337227],"category_scores_gemma":[0.0005530326,0.0002547613,0.0001398488,0.0003798158,0.0002402531,0.0000442579,0.0009729814,0.001135516,0.000001973158],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000802603,"about_ca_system_score_gemma":0.004922042,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.722544,"about_ca_topic_score_gemma":0.8973919,"domain_scores_codex":[0.9970305,0.0001635486,0.0006247395,0.0007283824,0.0009646615,0.0004881968],"domain_scores_gemma":[0.9981036,0.0002216779,0.0001911039,0.001221087,0.0001928099,0.00006978631],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00008003983,0.00006141322,0.9686579,0.004024575,0.0001819478,0.000914516,0.0005816486,0.0000101872,0.02527597,0.000007238972,0.00004978896,0.0001548139],"study_design_scores_gemma":[0.0008498994,0.00002955371,0.8202332,0.0009062879,0.00009396597,0.00006801751,0.0002615034,0.0007831626,0.174922,0.00004786713,0.001569105,0.0002354325],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9959111,0.001694535,0.000006224879,0.0005729983,0.0002920666,0.0007488491,0.00004931082,0.00002219805,0.0007027521],"genre_scores_gemma":[0.992367,0.0001329505,0.00001626504,0.007211759,0.0001078753,0.0001004915,0.000007117394,0.00003651016,0.00002002122],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1748479,"threshold_uncertainty_score":0.9999905,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0541332657154354,"score_gpt":0.3290675183582761,"score_spread":0.2749342526428407,"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."}}