{"id":"W3180566561","doi":"10.1101/2021.07.08.21259744","title":"Detection and Quantification of Infectious Severe Acute Respiratory Coronavirus-2 in Diverse Clinical and Environmental Samples from Infected Patients: Evidence to Support Respiratory Droplet, and Direct and Indirect Contact as Significant Modes of Transmission","year":2021,"lang":"en","type":"preprint","venue":"medRxiv","topic":"SARS-CoV-2 detection and testing","field":"Medicine","cited_by":9,"is_retracted":false,"has_abstract":true,"ca_institutions":"Alberta Health Services; University of Calgary; University of Alberta","funders":"University of Alberta; University of Calgary; Alberta Precision Laboratories; Alberta Health Services","keywords":"Sputum; Saliva; Plaque-forming unit; Virus; Virology; Throat; Infectious dose; Respiratory system; Titer; Biology; Microbiology; Medicine; Pathology; Internal medicine; Tuberculosis","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0008349685,0.0003015985,0.000831519,0.000339441,0.0000758247,0.00003188893,0.00005614878,0.0003597484,0.00001530546],"category_scores_gemma":[0.001157134,0.0002955577,0.00007499474,0.000170203,0.0002702913,0.0001582077,0.0002177765,0.0004927298,5.378192e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00007525394,"about_ca_system_score_gemma":0.0001276587,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001046291,"about_ca_topic_score_gemma":0.0003795483,"domain_scores_codex":[0.9972612,0.000524877,0.0009108738,0.0008250438,0.0003130277,0.0001650076],"domain_scores_gemma":[0.9981706,0.0008013796,0.0004576645,0.000316712,0.00009272119,0.0001609833],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004474072,0.0001072752,0.5244947,0.0001452793,0.00006895507,0.00001485734,0.0004876042,0.000001890953,0.447496,2.287576e-7,6.595388e-7,0.02673515],"study_design_scores_gemma":[0.001467934,0.001122704,0.7051182,0.0008353361,0.0002415439,0.00001022987,0.0001954102,0.0001624171,0.2905876,0.00001001279,0.00006105912,0.0001876237],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9975466,0.0010422,0.0002108297,0.000008294153,0.0001193089,0.0008832245,0.0001288244,0.00004324889,0.00001748539],"genre_scores_gemma":[0.9986395,0.0008970546,0.0001690595,0.0001625496,0.00002893113,0.00003715637,0.00003341658,0.00003060167,0.000001705759],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1806235,"threshold_uncertainty_score":0.9999496,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1040798652856779,"score_gpt":0.3461350623192705,"score_spread":0.2420551970335926,"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."}}