{"id":"W3194598131","doi":"10.1136/bmj.n1943","title":"Effectiveness of BNT162b2 and mRNA-1273 covid-19 vaccines against symptomatic SARS-CoV-2 infection and severe covid-19 outcomes in Ontario, Canada: test negative design study","year":2021,"lang":"en","type":"article","venue":"BMJ","topic":"SARS-CoV-2 and COVID-19 Research","field":"Medicine","cited_by":323,"is_retracted":false,"has_abstract":true,"ca_institutions":"Women's College Hospital; University of British Columbia; University of Alberta; Bruyère; BC Centre for Disease Control; Alberta Health; University of Manitoba; University Health Network; Ottawa Hospital; University of Calgary; University of Ottawa; McGill University; Children's Hospital of Eastern Ontario; Public Health Ontario; University of Toronto","funders":"National Institute of Allergy and Infectious Diseases","keywords":"Medicine; Confidence interval; Coronavirus disease 2019 (COVID-19); Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2); Logistic regression; Odds ratio; Emergency medicine; Internal medicine; Pediatrics; Infectious disease (medical specialty)","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":["metaresearch","metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.001723076,0.0003663877,0.0009998429,0.0003513068,0.0001735338,0.00005411821,0.0001157115,0.0001524959,0.00001244455],"category_scores_gemma":[0.01325793,0.000321377,0.00007369755,0.0006826734,0.0001168596,0.0001598533,0.0001907013,0.0004151575,0.000002396621],"about_ca_system_candidate":true,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002141574,"about_ca_system_score_gemma":0.01041093,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.892088,"about_ca_topic_score_gemma":0.967647,"domain_scores_codex":[0.9967268,0.0009291169,0.0006294898,0.0006584558,0.0006323854,0.0004237595],"domain_scores_gemma":[0.9921039,0.006784949,0.000200678,0.0004670511,0.0002589005,0.0001845424],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0006368691,0.0007079768,0.9751864,0.001591912,0.0002913125,0.001051791,0.002077313,0.00004096684,0.01746188,0.000009047611,0.0006730994,0.0002714002],"study_design_scores_gemma":[0.01010862,0.0008122188,0.9581243,0.0002841716,0.0001526554,0.000244576,0.001158505,0.0002805336,0.02735857,0.0003083844,0.0008202005,0.0003472292],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9950933,0.0001666979,0.0002369766,0.0009002896,0.0001302222,0.003110966,0.00002083242,0.00005296745,0.0002877877],"genre_scores_gemma":[0.9860206,0.000009205005,0.0001634881,0.01339193,0.00003253083,0.0002947797,0.00000621661,0.00003498964,0.0000462797],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.07555902,"threshold_uncertainty_score":0.9999238,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05791301378371767,"score_gpt":0.3677105224741775,"score_spread":0.3097975086904598,"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."}}