{"id":"W4282983534","doi":"10.1016/j.scitotenv.2022.156741","title":"Rapid transition between SARS-CoV-2 variants of concern Delta and Omicron detected by monitoring municipal wastewater from three Canadian cities","year":2022,"lang":"en","type":"article","venue":"The Science of The Total Environment","topic":"SARS-CoV-2 detection and testing","field":"Medicine","cited_by":36,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Waterloo; Saskatoon City Hospital; Prince Albert Grand Council; Saskatchewan Hospital; Public Health Agency of Canada; Global Institute for Water Security; Agriculture and Agri-Food Canada; University of Saskatchewan","funders":"Public Health Agency of Canada","keywords":"Wastewater; Population; Outbreak; Geography; Coronavirus disease 2019 (COVID-19); Government (linguistics); Delta; Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2); Pandemic; Environmental science; Biology; Environmental engineering; Environmental health; Virology; Medicine; Engineering","routes":{"ca_aff":true,"ca_fund":true,"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":[0.000347391,0.0004953197,0.0005258848,0.001414918,0.003168254,0.001483848,0.0008756816,0.0006584147,0.0006653547],"category_scores_gemma":[0.0005797827,0.0003484182,0.0003749082,0.001985301,0.0007159621,0.0002352928,0.000758498,0.0004193168,0.0001362235],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0156936,"about_ca_system_score_gemma":0.01579886,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.976653,"about_ca_topic_score_gemma":0.9899828,"domain_scores_codex":[0.9987062,0.00004482004,0.00003658558,0.0001889784,0.0006230375,0.0004004615],"domain_scores_gemma":[0.9993829,0.00002335909,0.00005180978,0.00001034836,0.0004670196,0.00006460023],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004452325,0.0001127719,0.8865495,0.00008928016,0.00008633085,0.0006501148,0.003919864,0.001046094,0.09388214,0.0002953071,0.001572537,0.01135095],"study_design_scores_gemma":[0.000009214067,0.00006592269,0.9843845,0.0000108026,0.00003917411,0.0001568757,0.004760939,0.0007289458,0.007363851,0.00004737256,0.002410655,0.00002167644],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9971188,0.00008678704,0.0002420214,0.00008044552,0.000006440715,0.0000306819,0.0008804221,0.00001299043,0.0015414],"genre_scores_gemma":[0.9967069,0.00008629529,0.000560835,0.00008967063,0.000002373314,0.00001336399,0.0006771355,0.000006474517,0.001857039],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02334702,"threshold_uncertainty_score":0.1138656,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03984039423081066,"score_gpt":0.242309223642373,"score_spread":0.2024688294115623,"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."}}