{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,21]],"date-time":"2026-05-21T03:33:45Z","timestamp":1779334425310,"version":"3.51.4"},"reference-count":21,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2025,4,28]],"date-time":"2025-04-28T00:00:00Z","timestamp":1745798400000},"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. Med."],"abstract":"<jats:p><jats:italic>Tannerella forsythia<\/jats:italic> infection was common in oral diseases but less reported in lung diseases. This report presents a patient with bronchiectasis who was infected by <jats:italic>Tannerella forsythia<\/jats:italic> and subsequently hospitalized with symptoms including fever, progressive cough, sputum production, and shortness of breath. A chest computed tomography (CT) scan revealed multiple bilateral pulmonary bronchiectasis with signs of infection. Metagenomic next-generation sequencing (mNGS) of the bronchoalveolar lavage fluid primarily detected <jats:italic>Tannerella forsythia<\/jats:italic>. Treatment with Piperacillin-tazobactam and ornidazole resulted in a favorable outcome. This case first reported a patient with extensive bronchiectasis infected by <jats:italic>Tannerella forsythia<\/jats:italic> and provided an effective treatment.<\/jats:p>","DOI":"10.3389\/fmed.2025.1571506","type":"journal-article","created":{"date-parts":[[2025,4,28]],"date-time":"2025-04-28T04:11:42Z","timestamp":1745813502000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":1,"title":["First reported Tannerella forsythia infection in a patient with extensive bronchiectasis: a case 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