{"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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001271449,0.0005478178,0.0004940209,0.0007237307,0.0003712826,0.0009963319,0.0003075867,0.0006846547,0.001289083],"category_scores_gemma":[0.001754561,0.0002698687,0.0003137104,0.0005315882,0.0005653331,0.0003889235,0.0004133797,0.0003262267,0.0004206468],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001359036,"about_ca_system_score_gemma":0.0001683446,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0008385825,"about_ca_topic_score_gemma":0.0007353801,"domain_scores_codex":[0.9984158,0.0003766936,0.0002130683,0.0004099915,0.0004856101,0.00009881266],"domain_scores_gemma":[0.9988627,0.0003596454,0.0002873512,0.0001080335,0.0002925836,0.00008976454],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004349694,0.0002113215,0.7728962,0.000282963,0.0001754826,0.0005189644,0.0005916324,0.0001094344,0.215465,0.00005148789,0.0001619232,0.00910069],"study_design_scores_gemma":[0.00002748232,0.00133714,0.8787504,0.000116371,0.0002186238,0.006275939,0.001458603,0.001167048,0.1089938,0.00009542156,0.00153199,0.00002724228],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9964612,0.001038227,0.001444014,0.00002792354,0.00001422447,0.00003558898,0.0003477623,0.00001853311,0.0006124162],"genre_scores_gemma":[0.996472,0.0003195925,0.002250419,0.0000728716,0.0000165643,0.00002458799,0.0005922075,0.000005697129,0.0002461503],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001289083,"threshold_uncertainty_score":0.006724119,"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."}}