{"id":"W4200308140","doi":"10.1017/ice.2021.502","title":"Persistence of infectivity in elderly individuals diagnosed with severe acute respiratory coronavirus virus 2 (SARS-CoV-2) infection 10 days after onset of symptoms: A cross-sectional study","year":2021,"lang":"en","type":"article","venue":"Infection Control and Hospital Epidemiology","topic":"SARS-CoV-2 detection and testing","field":"Medicine","cited_by":6,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université de Montréal; Institut National de Santé Publique du Québec; Ste. Anne's Hospital; Jewish General Hospital","funders":"","keywords":"Infectivity; Coronavirus; Persistence (discontinuity); Medicine; Virus; Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2); Cross-sectional study; Virology; Respiratory system; Coronavirus disease 2019 (COVID-19); 2019-20 coronavirus outbreak; Internal medicine; Immunology; Pathology; Disease; Outbreak","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"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":[0.001727084,0.0003452335,0.001183061,0.0004178894,0.0001280327,0.0000214643,0.00005122077,0.0003805399,0.00004336693],"category_scores_gemma":[0.002888012,0.0003106527,0.0002317853,0.0005799809,0.000444949,0.0003191632,0.00006870532,0.0005836782,0.000008354443],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001602036,"about_ca_system_score_gemma":0.0002500948,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005456927,"about_ca_topic_score_gemma":0.004336681,"domain_scores_codex":[0.9965236,0.0009806214,0.001141567,0.0007095259,0.0002517742,0.0003929685],"domain_scores_gemma":[0.9965458,0.001798971,0.000610045,0.0003391697,0.000629643,0.00007635499],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.001152506,0.001350917,0.9744091,0.00009292824,0.00057802,0.0001298879,0.0003485164,0.00008449996,0.01910998,0.00001977206,0.00001035574,0.002713486],"study_design_scores_gemma":[0.008410871,0.007971442,0.9713612,0.0001187623,0.0002751737,0.000516173,0.00004530565,0.0001993243,0.01053535,0.00009968323,0.0001841064,0.0002826648],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9974105,0.0003793599,0.0005276728,0.00005507916,0.0003705447,0.0008948148,0.00009114655,0.00008980624,0.000181084],"genre_scores_gemma":[0.9985733,0.00003828748,0.00006342219,0.0009372254,0.0001008155,0.0002357316,0.00001210259,0.000028052,0.00001107929],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.008574625,"threshold_uncertainty_score":0.9999346,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05282478655364632,"score_gpt":0.350294238895584,"score_spread":0.2974694523419377,"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."}}