{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,6]],"date-time":"2026-02-06T23:46:56Z","timestamp":1770421616914,"version":"3.49.0"},"reference-count":26,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2023,6,19]],"date-time":"2023-06-19T00:00:00Z","timestamp":1687132800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Pediatr."],"abstract":"<jats:sec><jats:title>Introduction<\/jats:title><jats:p>We assessed the risk of tuberculosis (TB), the management and the outcomes of 0\u20135-year-old children after TB contact investigations in a low-burden setting.<\/jats:p><\/jats:sec><jats:sec><jats:title>Method<\/jats:title><jats:p>All 0\u20135-year-old children who attended the TB clinic of Robert Debre Hospital, Paris, France, for a TB contact investigation between June 2016 and December 2019 were included in this retrospective study. The risk factors for TB were assessed using univariate and multivariate analyses.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 261 children were included. Forty-six (18%) had TB, including 37 latent tuberculosis infections (LTBIs) and 9 active TB diseases. The prevalence of TB was 21% among high-risk contacts, i.e., household or close contacts and regular or casual contacts. There was no TB among intermediate- or low-risk contacts (0\/42). Living under the same roof with (OR: 19.8; 95% CI: 2.6\u2013153), the BCG vaccine (OR: 3.2; 95% CI: 1.2\u20138.3), contact duration &amp;gt;40\u2005h (OR: 7.6; 95% CI: 2.3\u201325.3) and sleeping in the room of the index case (OR: 3.9; 95% CI: 1.3\u201311.7) were independently associated with TB. The BCG vaccine was no longer associated when the analysis was restricted to interferon gamma release assay results. Among children without initial LTBI, antibiotic prophylaxis was not prescribed for 2\u20135-year-old children or for 32\/36 (89%) of 0\u20132-year-old children who had intermediate- or low-risk contact. Overall, none of these children experienced TB.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>In our low prevalence setting, the risk of TB in 0\u20135-year-old children following a household or close contact was high. Further studies are needed to better assess prophylaxis recommendations in intermediate or low risk contact.<\/jats:p><\/jats:sec>","DOI":"10.3389\/fped.2023.1145191","type":"journal-article","created":{"date-parts":[[2023,6,19]],"date-time":"2023-06-19T06:01:36Z","timestamp":1687154496000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":3,"title":["Tuberculosis in 0\u20135-year-old children following TB contact investigations: a retrospective study in a low burden setting"],"prefix":"10.3389","volume":"11","author":[{"given":"Cassandre","family":"Pasqualini","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Laure","family":"Cohen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Enora","family":"Le Roux","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marion","family":"Caseris","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Albert","family":"Faye","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1965","published-online":{"date-parts":[[2023,6,19]]},"reference":[{"key":"B1","year":""},{"key":"B2","doi-asserted-by":"publisher","first-page":"1041","DOI":"10.1164\/rccm.200711-1756OC","article-title":"Evaluation of a model for efficient screening of tuberculosis contact subjects","volume":"177","author":"Aissa","year":"2008","journal-title":"Am J Respir Crit Care Med"},{"key":"B3","doi-asserted-by":"publisher","first-page":"96","DOI":"10.1186\/1471-2334-9-96","article-title":"Risk of latent tuberculosis infection in children living in households with tuberculosis patients: a cross sectional survey in remote northern Lao people's democratic republic","volume":"9","author":"Nguyen","year":"2009","journal-title":"BMC Infect Dis"},{"key":"B4","doi-asserted-by":"publisher","first-page":"S80","DOI":"10.1016\/s0929-693x(05)80020-x","article-title":"Risk factors of tuberculosis in children","volume":"12","author":"Delacourt","year":"2005","journal-title":"Arch Pediatr"},{"key":"B5","doi-asserted-by":"publisher","first-page":"140","DOI":"10.1183\/09031936.00070812","article-title":"Contact investigation for tuberculosis: a systematic review and meta-analysis","volume":"41","author":"Fox","year":"2013","journal-title":"Eur Respir J"},{"key":"B6","year":""},{"key":"B7","year":""},{"key":"B8","volume-title":"Enqu\u00eate autour d\u2019un cas de tuberculose. 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