{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,4,5]],"date-time":"2025-04-05T04:21:59Z","timestamp":1743826919905,"version":"3.40.3"},"reference-count":26,"publisher":"Public Library of Science (PLoS)","issue":"4","license":[{"start":{"date-parts":[[2025,4,4]],"date-time":"2025-04-04T00:00:00Z","timestamp":1743724800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003921","name":"Department of Health and Aged Care, Australian Government","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003921","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000925","name":"National Health and Medical Research Council","doi-asserted-by":"publisher","award":["GNT1170960"],"award-info":[{"award-number":["GNT1170960"]}],"id":[{"id":"10.13039\/501100000925","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000925","name":"National Health and Medical Research Council","doi-asserted-by":"crossref","award":["GNT1117140"],"award-info":[{"award-number":["GNT1117140"]}],"id":[{"id":"10.13039\/501100000925","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100000925","name":"National Health and Medical Research Council","doi-asserted-by":"publisher","award":["GNT2010051"],"award-info":[{"award-number":["GNT2010051"]}],"id":[{"id":"10.13039\/501100000925","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["www.ploscompbiol.org"],"crossmark-restriction":false},"short-container-title":["PLoS Comput Biol"],"abstract":"<jats:p>Contact tracing is an important public health measure used to reduce transmission of infectious diseases. Contact tracers typically conduct telephone interviews with cases to identify contacts and direct them to quarantine, with the aim of preventing onward transmission. However, in situations where caseloads exceed the capacity of the public health system, timely interviews may not be feasible for all cases. Here we present a modelling framework for assessing the impact of different case interview prioritisation strategies on disease transmission. Our model is based on Australian contact tracing procedures and informed by contact tracing data on COVID-19 cases notified in Australia from 2020 to 2021. Our results demonstrate that last-in-first-out strategies (where cases with the most recent swab or notification dates are interviewed first) are more effective at reducing transmission than first-in-first-out strategies (where cases with the oldest swab or notification dates are interviewed first) or strategies with no explicit prioritisation. To maximise the public health benefit from a given case interview capacity, public health practitioners may consider our findings when designing case interview prioritisation protocols for outbreak response.<\/jats:p>","DOI":"10.1371\/journal.pcbi.1012906","type":"journal-article","created":{"date-parts":[[2025,4,4]],"date-time":"2025-04-04T20:01:13Z","timestamp":1743796873000},"page":"e1012906","update-policy":"https:\/\/doi.org\/10.1371\/journal.pcbi.corrections_policy","source":"Crossref","is-referenced-by-count":0,"title":["Quantifying the impact of contact tracing interview prioritisation strategies on disease transmission: A modelling study"],"prefix":"10.1371","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1539-4439","authenticated-orcid":true,"given":"Logan","family":"Wu","sequence":"first","affiliation":[]},{"given":"Christopher M","family":"Baker","sequence":"additional","affiliation":[]},{"given":"Nicholas","family":"Tierney","sequence":"additional","affiliation":[]},{"given":"Kylie","family":"Carville","sequence":"additional","affiliation":[]},{"given":"Jodie","family":"McVernon","sequence":"additional","affiliation":[]},{"given":"Nick","family":"Golding","sequence":"additional","affiliation":[]},{"given":"James M","family":"McCaw","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9600-3473","authenticated-orcid":true,"given":"Freya M","family":"Shearer","sequence":"additional","affiliation":[]}],"member":"340","published-online":{"date-parts":[[2025,4,4]]},"reference":[{"key":"pcbi.1012906.ref001"},{"key":"pcbi.1012906.ref002","article-title":"COVID-19 Weekly Surveillance in NSW Epidemiological Week 35, ending 29 August 2020","author":"Health New South Wales Department of","year":"2020"},{"issue":"4","key":"pcbi.1012906.ref003","doi-asserted-by":"crossref","first-page":"334","DOI":"10.1097\/PHH.0000000000001541","article-title":"A multifaceted evaluation of a COVID-19 contact tracing program in King County, Washington","volume":"28","author":"JE Hood","year":"2022","journal-title":"J Public Health Manag Pract"},{"key":"pcbi.1012906.ref004"},{"issue":"1","key":"pcbi.1012906.ref005","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1371\/journal.pone.0000012","article-title":"The effectiveness of contact tracing in emerging epidemics","volume":"1","author":"D Klinkenberg","year":"2006","journal-title":"PLOS ONE"},{"issue":"15","key":"pcbi.1012906.ref006","doi-asserted-by":"crossref","first-page":"4023","DOI":"10.1073\/pnas.1616438114","article-title":"Comparing nonpharmaceutical interventions for containing emerging epidemics","volume":"114","author":"CM Peak","year":"2017","journal-title":"Proc Natl Acad Sci U S A"},{"issue":"4","key":"pcbi.1012906.ref007","doi-asserted-by":"crossref","first-page":"e488","DOI":"10.1016\/S2214-109X(20)30074-7","article-title":"Feasibility of controlling COVID-19 outbreaks by isolation of cases and contacts","volume":"8","author":"J Hellewell","year":"2020","journal-title":"Lancet Glob Health"},{"key":"pcbi.1012906.ref008","doi-asserted-by":"crossref","first-page":"e175","DOI":"10.1016\/S2468-2667(20)30308-X","article-title":"Quarantine and testing strategies in contact tracing for SARS-CoV-2: a modelling study","volume":"6","author":"BJ Quilty","year":"2021","journal-title":"Lancet Public Health"},{"key":"pcbi.1012906.ref009"},{"key":"pcbi.1012906.ref010","doi-asserted-by":"crossref","first-page":"100503","DOI":"10.1016\/j.epidem.2021.100503","article-title":"Optimal allocation of PCR tests to minimise disease transmission through contact tracing and quarantine","volume":"37","author":"CM Baker","year":"2021","journal-title":"Epidemics"},{"key":"pcbi.1012906.ref011","doi-asserted-by":"crossref","article-title":"Contact tracing is an imperfect tool for controlling COVID-19 transmission and relies on population adherence","author":"EL Davis","DOI":"10.1038\/s41467-021-25531-5"},{"issue":"1","key":"pcbi.1012906.ref012","doi-asserted-by":"crossref","first-page":"33","DOI":"10.1016\/S0025-5564(03)00090-7","article-title":"Analyzing bioterror response logistics: the case of smallpox","volume":"185","author":"EH Kaplan","year":"2003","journal-title":"Math Biosci"},{"key":"pcbi.1012906.ref013","doi-asserted-by":"crossref","first-page":"100764","DOI":"10.1016\/j.epidem.2024.100764","article-title":"Estimating the impact of test\u2013trace\u2013isolate\u2013quarantine systems on SARS-CoV-2 transmission in Australia","volume":"47","author":"FM Shearer","year":"2024","journal-title":"Epidemics"},{"key":"pcbi.1012906.ref014","article-title":"Australian Health Protection Principal Committee (AHPPC) statement on strategic direction","author":"Health Australian Government Department of","year":"2020"},{"issue":"3","key":"pcbi.1012906.ref015","doi-asserted-by":"crossref","first-page":"338","DOI":"10.1214\/aoms\/1177728975","article-title":"Stochastic processes occurring in the theory of queues and their analysis by the method of the imbedded Markov chain","volume":"24","author":"DG Kendall","year":"1953","journal-title":"Ann Math Stat"},{"key":"pcbi.1012906.ref016","article-title":"Prioritizing case investigation and contact tracing for COVID-19","author":"Prevention Centers for Disease Control and","year":"2022"},{"key":"pcbi.1012906.ref017","doi-asserted-by":"crossref","first-page":"284","DOI":"10.1016\/j.ijid.2020.02.060","article-title":"Serial interval of novel coronavirus (COVID-19) infections","volume":"93","author":"H Nishiura","year":"2020","journal-title":"Int J Infect Dis"},{"key":"pcbi.1012906.ref018"},{"issue":"8","key":"pcbi.1012906.ref019","doi-asserted-by":"crossref","first-page":"744","DOI":"10.1056\/NEJMoa2116597","article-title":"Effect of Covid-19 vaccination on transmission of alpha and delta variants","volume":"386","author":"DW Eyre","year":"2022","journal-title":"N Engl J Med"},{"key":"pcbi.1012906.ref020"},{"issue":"4","key":"pcbi.1012906.ref021","doi-asserted-by":"crossref","first-page":"e229317","DOI":"10.1001\/jamanetworkopen.2022.9317","article-title":"Household secondary attack rates of SARS-CoV-2 by variant and vaccination status: an updated systematic review and meta-analysis","volume":"5","author":"ZJ Madewell","year":"2022","journal-title":"JAMA Netw Open"},{"key":"pcbi.1012906.ref022"},{"issue":"3","key":"pcbi.1012906.ref023","doi-asserted-by":"crossref","first-page":"e250","DOI":"10.1016\/S2468-2667(22)00010-X","article-title":"Effectiveness evaluation of digital contact tracing for COVID-19 in New South Wales, Australia","volume":"7","author":"F Vogt","year":"2022","journal-title":"Lancet Public Health"},{"key":"pcbi.1012906.ref024"},{"issue":"3","key":"pcbi.1012906.ref025","doi-asserted-by":"crossref","first-page":"pgad003","DOI":"10.1093\/pnasnexus\/pgad003","article-title":"Optimizing the order of actions in a model of contact tracing","volume":"2","author":"M Meister","year":"2023","journal-title":"PNAS Nexus"},{"key":"pcbi.1012906.ref026","article-title":"Coronavirus Disease 2019 (COVID-19) CDNA National Guidelines for Public Health Units","author":"Australia Communicable Diseases Network","year":"2022"}],"container-title":["PLOS Computational Biology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/dx.plos.org\/10.1371\/journal.pcbi.1012906","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,4,4]],"date-time":"2025-04-04T20:01:24Z","timestamp":1743796884000},"score":1,"resource":{"primary":{"URL":"https:\/\/dx.plos.org\/10.1371\/journal.pcbi.1012906"}},"subtitle":[],"editor":[{"given":"Tom","family":"Britton","sequence":"first","affiliation":[]}],"short-title":[],"issued":{"date-parts":[[2025,4,4]]},"references-count":26,"journal-issue":{"issue":"4","published-online":{"date-parts":[[2025,4,4]]}},"URL":"https:\/\/doi.org\/10.1371\/journal.pcbi.1012906","relation":{},"ISSN":["1553-7358"],"issn-type":[{"value":"1553-7358","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,4,4]]}}}