{"id":"W4387360589","doi":"10.1093/cid/ciad609","title":"SARS-CoV-2 Exposures at a Large Gathering Event and Acquisition of COVID-19 in the Post-Vaccination Era: A Randomized Trial Is Possible During the Pandemic","year":2023,"lang":"en","type":"letter","venue":"Clinical Infectious Diseases","topic":"SARS-CoV-2 and COVID-19 Research","field":"Medicine","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"McMaster University; University of Calgary; Impact; Alberta Health Services","funders":"","keywords":"Pandemic; Medicine; Vaccination; Coronavirus disease 2019 (COVID-19); Family medicine; Randomized controlled trial; Public health; MEDLINE; Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2); Infectious disease (medical specialty); Disease; Internal medicine; Virology; Pathology; Political science; Law","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":[0.005250205,0.001037846,0.003410587,0.0003137343,0.0009911971,0.002113412,0.000973823,0.004140166,0.0206468],"category_scores_gemma":[0.01375863,0.0005587547,0.004501526,0.0004519155,0.00125354,0.001826001,0.0007013124,0.00412913,0.00140838],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001360869,"about_ca_system_score_gemma":0.00209425,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002020759,"about_ca_topic_score_gemma":0.003795045,"domain_scores_codex":[0.996837,0.001955249,0.0003762615,0.0003706901,0.0001763844,0.0002844928],"domain_scores_gemma":[0.990524,0.005249847,0.001646271,0.0006464412,0.0006548408,0.001278585],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"randomized_trial","study_design_gemma":"not_applicable","study_design_scores_codex":[0.9738405,0.003696316,0.001260289,0.002608781,0.002995173,0.00005584173,0.00006948993,0.000184881,0.0003745718,0.0003541329,0.004190141,0.01036983],"study_design_scores_gemma":[0.9396819,0.04865126,0.003232659,0.000971253,0.002952518,0.00003380496,0.0001052325,0.0005591027,0.0001934696,0.0007219395,0.002853112,0.00004379309],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"commentary","genre_scores_codex":[0.8514619,0.04509216,0.002298617,0.01507863,0.01310369,0.04960943,0.006228661,0.0003746796,0.01675217],"genre_scores_gemma":[0.9096113,0.009121974,0.004725224,0.009596507,0.004615978,0.04535795,0.002193167,0.00006140777,0.01471648],"genre_candidate":"commentary","genre_consensus":null,"teacher_disagreement_score":0.0206468,"threshold_uncertainty_score":0.06907046,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06666612615077636,"score_gpt":0.4241905071221198,"score_spread":0.3575243809713434,"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."}}