{"id":"W7117117744","doi":"10.3390/vaccines14010026","title":"National Near Real-Time Vaccine Effectiveness Against COVID-19 Severe Outcomes Using the Screening Method Among Older Adults Aged ≥50 Years in Canada","year":2025,"lang":"en","type":"article","venue":"Vaccines","topic":"SARS-CoV-2 and COVID-19 Research","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Public Health Agency of Canada","funders":"","keywords":"Confidence interval; Vaccination; Logistic regression; Booster dose; Vaccine efficacy; Age groups","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":[],"consensus_categories":[],"category_scores_codex":[0.001383706,0.0002662114,0.000555656,0.0003596037,0.0002438777,0.0000586508,0.0003021352,0.0001152601,0.00003647648],"category_scores_gemma":[0.001639573,0.0001973449,0.0001231116,0.001128037,0.00002338633,0.0001266782,0.0001739863,0.0004062733,0.000005047007],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001163485,"about_ca_system_score_gemma":0.004370866,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.7038757,"about_ca_topic_score_gemma":0.4633982,"domain_scores_codex":[0.9974948,0.000499624,0.0004113153,0.0004894841,0.0006440479,0.0004607608],"domain_scores_gemma":[0.9970261,0.002169299,0.0001029291,0.0003891553,0.0002286995,0.00008377169],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0008136235,0.0000566663,0.9898254,0.0003186078,0.0001859965,0.0001559729,0.0002787419,0.001110748,0.003099477,0.00001645089,0.001237946,0.002900397],"study_design_scores_gemma":[0.005441241,0.00002327887,0.970657,0.000447068,0.00005444976,0.0000173626,0.0004239217,0.01953078,0.001402076,0.0000453215,0.00175671,0.0002007861],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9961494,0.0001775541,0.0008809116,0.001056874,0.0001489181,0.001018048,0.00002044729,0.00006413445,0.0004837272],"genre_scores_gemma":[0.975781,0.000006197945,0.001514125,0.02235631,0.0000962683,0.00008268309,0.00001769026,0.00004050961,0.0001052324],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2404774,"threshold_uncertainty_score":0.8047491,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02608813194979127,"score_gpt":0.3610212067639442,"score_spread":0.3349330748141529,"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."}}