{"id":"W4406804185","doi":"10.1038/s41390-025-03853-0","title":"Pediatric COVID-19 severity by SARS-CoV-2 lineage and vaccine status in Canada: an IMPACT study","year":2025,"lang":"en","type":"article","venue":"Pediatric Research","topic":"SARS-CoV-2 and COVID-19 Research","field":"Medicine","cited_by":3,"is_retracted":false,"has_abstract":false,"ca_institutions":"SickKids Foundation; Public Health Ontario; University of Alberta; McGill University Health Centre; Canadian Paediatric Society; Alberta Children's Hospital; University of Toronto; Montreal Children's Hospital; University of Manitoba; University of Saskatchewan; Hospital for Sick Children; Université de Montréal; Centre Hospitalier Universitaire Sainte-Justine; Dalhousie University; BC Children's Hospital; University of British Columbia","funders":"","keywords":"Coronavirus disease 2019 (COVID-19); Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2); 2019-20 coronavirus outbreak; Medicine; Lineage (genetic); Virology; Betacoronavirus; Internal medicine; Biology; Outbreak; Genetics; Infectious disease (medical specialty); Disease; Gene","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":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.004730918,0.0004296383,0.0008526164,0.002430785,0.0003719766,0.0001677561,0.0006252044,0.0002261891,0.00003477075],"category_scores_gemma":[0.004284279,0.0003732335,0.00009623782,0.006215587,0.00008308775,0.0002735817,0.0006390556,0.002057114,0.00002683934],"about_ca_system_candidate":true,"about_ca_system_consensus":true,"about_ca_system_score_codex":0.00452408,"about_ca_system_score_gemma":0.0295754,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9251533,"about_ca_topic_score_gemma":0.7354132,"domain_scores_codex":[0.9924043,0.001158767,0.000841229,0.001250928,0.002318664,0.002026126],"domain_scores_gemma":[0.9960175,0.001724886,0.00009488723,0.001085533,0.0005748835,0.0005023113],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.001063393,0.001162706,0.9449252,0.0005174656,0.00005579167,0.000807152,0.0005532929,0.000001228367,0.001477611,0.000004974173,0.04830173,0.001129422],"study_design_scores_gemma":[0.009542451,0.001690669,0.9669338,0.000009928883,0.0001421892,0.00002556415,0.001770196,0.0009781878,0.002006525,0.00009483013,0.01635508,0.0004505907],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9900199,0.005651209,0.00002453378,0.0007345024,0.0001281092,0.002501399,0.000136587,0.00007385749,0.0007299461],"genre_scores_gemma":[0.9920224,0.0008442745,0.00003121648,0.006142546,0.0005730947,0.0002067163,0.00002935292,0.00005434529,0.00009603723],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1897401,"threshold_uncertainty_score":0.999872,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.08864225776755716,"score_gpt":0.4580472844703388,"score_spread":0.3694050267027816,"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."}}