{"id":"W3009734542","doi":"10.2139/ssrn.3752659","title":"COVID Symptoms, Seroprevalence, and Mortality During the First Wave of SARS-CoV-2 in Canada","year":2020,"lang":"en","type":"article","venue":"SSRN Electronic Journal","topic":"SARS-CoV-2 and COVID-19 Research","field":"Medicine","cited_by":7,"is_retracted":false,"has_abstract":false,"ca_institutions":"St. Michael's Hospital; Toronto Public Health; Mount Sinai Hospital; University of Ottawa; Sinai Health System; University of Toronto; Centre for Global Health Research; University Health Network; St Joseph's Health Centre","funders":"","keywords":"Seroprevalence; Medicine; Asymptomatic; Case fatality rate; Pandemic; Coronavirus disease 2019 (COVID-19); Young adult; Mortality rate; Vaccination; Demography; Pediatrics; Epidemiology; Virology; Immunology; Antibody; Internal medicine; Serology; Infectious disease (medical specialty); Disease","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"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":[0.0004070972,0.0004437564,0.0004244846,0.001535094,0.00253143,0.001533115,0.001443689,0.0007048989,0.00361634],"category_scores_gemma":[0.001530489,0.0006010953,0.0007472642,0.002762676,0.0007727889,0.0005314228,0.001028333,0.001577156,0.0003745988],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.02297529,"about_ca_system_score_gemma":0.02517186,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9953576,"about_ca_topic_score_gemma":0.9962791,"domain_scores_codex":[0.9991936,0.00004912008,0.00004298793,0.0001141241,0.0001780147,0.0004220881],"domain_scores_gemma":[0.9982353,0.00007589467,0.0003270067,0.00003968706,0.0006163424,0.000705715],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00008437613,0.00004101104,0.9968504,0.00001086887,0.00003559165,0.00006589343,0.000413713,0.00009187777,0.0001052482,0.00005304733,0.0008179579,0.001430075],"study_design_scores_gemma":[0.000005768464,0.00002103555,0.9980384,0.00001592115,0.00001234911,0.0000433229,0.001311898,0.0001725788,0.00002694196,0.00001315949,0.0003293436,0.000009270939],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9935433,0.0005014638,0.00006784523,0.0002847731,0.00001997054,0.00002404438,0.003639094,0.00001211094,0.001907316],"genre_scores_gemma":[0.9966883,0.0003716392,0.00006123756,0.00008812795,0.000008448562,0.000009283561,0.001476072,0.000006051445,0.001290789],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02297529,"threshold_uncertainty_score":0.1666982,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03125375215191808,"score_gpt":0.3033515907229759,"score_spread":0.2720978385710578,"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."}}