Jonas Haller, Anja Berger, Alexandra Dangel, Katja Bengs, Imke Friedrichs, Christian Kleine, Dorothee Schmidt, Maria Goetzens, Udo Goetsch, Michael Hogardt, Andreas Sing
{"title":"Diphtheria Outbreak among Persons Experiencing Homelessness, 2023, Linked to 2022 Diphtheria Outbreak, Frankfurt am Main, Germany","authors":"Jonas Haller, Anja Berger, Alexandra Dangel, Katja Bengs, Imke Friedrichs, Christian Kleine, Dorothee Schmidt, Maria Goetzens, Udo Goetsch, Michael Hogardt, Andreas Sing","doi":"10.3201/eid3103.241217","DOIUrl":"https://doi.org/10.3201/eid3103.241217","url":null,"abstract":"<p>After 3 cases of <em>Corynebacterium diphtheriae</em> infection associated with intravenous drug use among persons experiencing homelessness (PEH) were reported to the Health Protection Authority in Frankfurt am Main, Germany, in 2023, we examined pathogen spread among PEH. Furthermore, we investigated a possible link with the 2022 outbreak of diphtheria in Europe. From swab samples collected during August–November 2023 from 36 PEH and cutaneous lesions, we detected 3 additional cases of cutaneous toxigenic <em>C. diphtheriae</em>. Sequence type 574 was identified in 5 case-isolates and is genetically associated with 1 of the predominant clusters in identified in the 2022 outbreak. Our findings demonstrate the need for increased detection and monitoring of cutaneous diphtheria and boosting immunity against diphtheria in groups with increased risk for infection. Genomic analyses are valuable for identifying genetic relationships between outbreaks, even when epidemiologic data are scarce.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"2 1","pages":""},"PeriodicalIF":11.8,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143477712","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Valentina Gerussi, Tania Petersen, Isabelle Bonnet, Alexandra Aubry, Marwa Bachir, Esther Gyde, Florence Morel, Corentin Poignon, Brigitte Rached, Valérie Pourcher, Christophe Rioux, Dorothée Vallois, Nicolas Veziris, Jérôme Robert, Lorenzo Guglielmetti
{"title":"Evaluation of High-Dose Isoniazid in Multidrug-Resistant Tuberculosis Treatment","authors":"Valentina Gerussi, Tania Petersen, Isabelle Bonnet, Alexandra Aubry, Marwa Bachir, Esther Gyde, Florence Morel, Corentin Poignon, Brigitte Rached, Valérie Pourcher, Christophe Rioux, Dorothée Vallois, Nicolas Veziris, Jérôme Robert, Lorenzo Guglielmetti","doi":"10.3201/eid3103.241473","DOIUrl":"https://doi.org/10.3201/eid3103.241473","url":null,"abstract":"<p>High-dose isoniazid is recommended to treat multidrug-resistant tuberculosis (MDR TB). Among 958 MDR TB isolates identified in France during 2008–2022, 93.1% exhibited high-level isoniazid resistance, and molecular testing showed limited diagnostic accuracy in predicting resistance. Clinicians should reconsider using high-dose isoniazid in MDR TB treatment because of suboptimal effect and toxicity concerns.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"17 1","pages":""},"PeriodicalIF":11.8,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143470707","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hannah J. Barbian, Louise Lie, Alyse Kittner, Amanda Harrington, Joshua Carson, Mabel Frias, David H. Slade, Do Young Kim, Stephanie Black, Jorge P. Parada, Mary K. Hayden
{"title":"Candida auris Outbreak and Epidemiologic Response in Burn Intensive Care Unit, Illinois, United States, 2021–2023","authors":"Hannah J. Barbian, Louise Lie, Alyse Kittner, Amanda Harrington, Joshua Carson, Mabel Frias, David H. Slade, Do Young Kim, Stephanie Black, Jorge P. Parada, Mary K. Hayden","doi":"10.3201/eid3103.241195","DOIUrl":"https://doi.org/10.3201/eid3103.241195","url":null,"abstract":"<p><em>Candida auris</em> is an emerging fungal pathogen associated with outbreaks in healthcare settings. We report a multiyear outbreak of <em>C. auris</em> in a burn intensive care unit in Illinois, USA, during 2021–2023. We identified 28 <em>C. auris</em> cases in the unit over a 2-year period, despite outbreak response and multimodal mitigation measures. Of the 28 case-patients, 15 (53.6%) were considered colonized and 13 (46.4%) had clinical infections. Phylogenetic analysis of whole-genome sequences revealed 4 distinct clusters of closely related (0–6 SNP differences) genomes containing 3–6 cases. Clusters generally contained temporally related isolates from patients with epidemiologic links; this finding suggests that multiple introductions and within-unit spread over a limited time were responsible for the outbreak, rather than transmission from a long-term source (e.g., persistent environmental contamination or staff carriage). Here, integrated traditional and genomic epidemiology supported <em>C. auris</em> outbreak investigation and response and informed targeted interventions.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"28 1","pages":""},"PeriodicalIF":11.8,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143470730","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bridgette J. McNamara, Jack Cornish, Kim R. Blasdell, Eugene Athan, Naomi E. Clarke, Tiffany Pe, Mohammad Akhtar Hussain, Michael Muleme, Ee Laine Tay, Michael Dunn, Victoria Boyd, Anjana Karawita, Daniel P. O’Brien
{"title":"Mycobacterium ulcerans in Possum Feces before Emergence in Humans, Australia","authors":"Bridgette J. McNamara, Jack Cornish, Kim R. Blasdell, Eugene Athan, Naomi E. Clarke, Tiffany Pe, Mohammad Akhtar Hussain, Michael Muleme, Ee Laine Tay, Michael Dunn, Victoria Boyd, Anjana Karawita, Daniel P. O’Brien","doi":"10.3201/eid3103.240657","DOIUrl":"https://doi.org/10.3201/eid3103.240657","url":null,"abstract":"<p>We describe emergence of Buruli ulcer in urban Geelong, Victoria, Australia, and examine timing and proximity of human cases to detection of <em>Mycobacterium ulcerans</em> DNA in possum feces. <em>M. ulcerans</em>–positive feces preceded human cases by up to 39 months, constituting an early warning of impending risk for Buruli ulcer.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"11 1","pages":""},"PeriodicalIF":11.8,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143470716","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Roxana Paul, Federico Lorenzo, Beatriz López, María Gabriela Alegre, David Couvin, Nalin Rastogi, Laura Pérez-Lago, Darío García de Viedma, Ana Gamberale, Norma González, Domingo Palmero, Silvia Altabe, Norberto Simboli, Noemí Kaoru Yokobori
{"title":"Outbreak Caused by Multidrug-Resistant Mycobacterium Tuberculosis with Unusual Combination of Resistance Mutations, Northern Argentina, 2006–2022","authors":"Roxana Paul, Federico Lorenzo, Beatriz López, María Gabriela Alegre, David Couvin, Nalin Rastogi, Laura Pérez-Lago, Darío García de Viedma, Ana Gamberale, Norma González, Domingo Palmero, Silvia Altabe, Norberto Simboli, Noemí Kaoru Yokobori","doi":"10.3201/eid3103.241272","DOIUrl":"https://doi.org/10.3201/eid3103.241272","url":null,"abstract":"<p>To reconstruct transmission chains of the multidrug-resistant tuberculosis Ch strain, which harbors a unique combination of resistance mutations, we analyzed genomes of 25 isolates from 12 patients with diagnosis during 2006–2022 in Chaco Province, Argentina. Amplification of resistance, high mortality rates, and indications of a wider outbreak raise concerns for surveillance programs.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"82 2 1","pages":""},"PeriodicalIF":11.8,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143470711","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Maxime Moniot, Patricia Combes, Damien Costa, Nicolas Argy, Marie-Fleur Durieux, Thomas Nicol, Céline Nourrisson, Philippe Poirier
{"title":"Simultaneous Detection of Sarcocystis hominis, S. heydorni, and S. sigmoideus in Human Intestinal Sarcocystosis, France, 2021–2024","authors":"Maxime Moniot, Patricia Combes, Damien Costa, Nicolas Argy, Marie-Fleur Durieux, Thomas Nicol, Céline Nourrisson, Philippe Poirier","doi":"10.3201/eid3103.241640","DOIUrl":"https://doi.org/10.3201/eid3103.241640","url":null,"abstract":"<p>To elucidate the epidemiology of <em>Sarcocystis</em> spp. parasites in human intestinal infections, we used high-throughput sequencing to investigate human intestinal sarcocystosis cases identified by microscopy in France during 2021–2024. Our results indicate that humans are a definitive host of <em>S. sigmoideus</em> parasites and that occurrence of multiple species in 1 patient is common.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"14 1","pages":""},"PeriodicalIF":11.8,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143470727","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Aina Martínez-Planas, Fernando Baquero-Artigao, Ana Méndez-Echevarría, Teresa Del Rosal, Paula Rodríguez-Molino, Carlos Toro-Rueda, Matilde Bustillo-Alonso, Miguel Lafuente, Anna Canet, Ángela Manzanares, Alfredo Tagarro, Francisco José Sanz-Santaeufemia, Sara Guillén-Martín, María José Cilleruelo, Lola Falcón-Neyra, Begoña Santiago, Elena Rincón, Miguel Lillo, Antoni Soriano-Arandes, Luigi Sedda, Clàudia Fortuny, Manuel Monsonís, Julián González-Martín, Marc Tebruegge, Antoni Noguera-Julian
{"title":"A 28-Year Multicenter Cohort Study of Nontuberculous Mycobacterial Lymphadenitis in Children, Spain","authors":"Aina Martínez-Planas, Fernando Baquero-Artigao, Ana Méndez-Echevarría, Teresa Del Rosal, Paula Rodríguez-Molino, Carlos Toro-Rueda, Matilde Bustillo-Alonso, Miguel Lafuente, Anna Canet, Ángela Manzanares, Alfredo Tagarro, Francisco José Sanz-Santaeufemia, Sara Guillén-Martín, María José Cilleruelo, Lola Falcón-Neyra, Begoña Santiago, Elena Rincón, Miguel Lillo, Antoni Soriano-Arandes, Luigi Sedda, Clàudia Fortuny, Manuel Monsonís, Julián González-Martín, Marc Tebruegge, Antoni Noguera-Julian","doi":"10.3201/eid3103.241254","DOIUrl":"https://doi.org/10.3201/eid3103.241254","url":null,"abstract":"<p>We describe the epidemiology, diagnosis, and management of nontuberculous mycobacterial lymphadenitis cases detailed in a 28-year (1996–2023) multicenter cohort from Spain. The case numbers remained stable during the initial prospective phase (2013–2020), but a sharp decline was observed during 2021–2022. Disease onset occurred during spring or June in 45.9% of cases. <em>Mycobacterium avium</em> complex (43.1%) and <em>M</em>. <em>lentiflavum</em> (39.9%) were the most common species detected. <em>M</em>. <em>lentiflavum</em> affected mostly younger children from central Spain. The most common treatment strategy was complete surgical resection with (n = 80) or without (n = 88) antimicrobial drug treatment, followed by antimicrobial drugs alone (n = 76). Facial palsy developed in 10.4% of surgical cases. Adverse events because of antimicrobial drugs were uncommon. New fistula formation during follow-up occurred more in children managed with observation alone than in those treated with antimicrobial drugs alone (relative risk 2.7 [95% CI 1.3–5.3]; p = 0.014).</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"52 1","pages":""},"PeriodicalIF":11.8,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143470722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ngiambudulu M. Francisco, Alberto Gaviraghi, Francesca Alladio, Ralph Huits, Bruna Carnielli, Elena Salvador, Giacomo Stroffolini, Niccolò Ronzoni, Paolo Cattaneo, Concetta Castilletti, Alberto Kalume, Cristina Mazzi, Alberto Matteelli, Dora Buonfrate, Federico G. Gobbi
{"title":"Multidrug-Resistant Mycobacterium tuberculosis in a Community Hospital, Luanda, Angola","authors":"Ngiambudulu M. Francisco, Alberto Gaviraghi, Francesca Alladio, Ralph Huits, Bruna Carnielli, Elena Salvador, Giacomo Stroffolini, Niccolò Ronzoni, Paolo Cattaneo, Concetta Castilletti, Alberto Kalume, Cristina Mazzi, Alberto Matteelli, Dora Buonfrate, Federico G. Gobbi","doi":"10.3201/eid3103.241831","DOIUrl":"https://doi.org/10.3201/eid3103.241831","url":null,"abstract":"<p>In a longitudinal study in a first-level hospital in Luanda, Angola, we found rifampin-resistant and multidrug-resistant tuberculosis (TB) in 38 (8%, 95% CI 5.7–10.8) of 474 patients with no previous history of TB. Of note, 2 patients (0.4%, 95% CI 0.1–1.5) demonstrated pre–extensively drug-resistant TB.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"3 1","pages":""},"PeriodicalIF":11.8,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143470704","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Leo Starck, Vuokko Nummi, Eira Poikonen, Anna-Elina Lehtinen, Pia Kivelä, Nathalie Friberg, Jukka Torvikoski, Maija Toropainen, Seppo Meri
{"title":"Meningococcal Sepsis in Patient with Paroxysmal Nocturnal Hemoglobinuria during Pegcetacoplan Therapy","authors":"Leo Starck, Vuokko Nummi, Eira Poikonen, Anna-Elina Lehtinen, Pia Kivelä, Nathalie Friberg, Jukka Torvikoski, Maija Toropainen, Seppo Meri","doi":"10.3201/eid3103.241182","DOIUrl":"https://doi.org/10.3201/eid3103.241182","url":null,"abstract":"<p>Complement C5 inhibitors bring an increased risk for <em>Neisseria</em> infections. A novel complement C3 inhibitor, pegcetacoplan, was recently approved to treat paroxysmal nocturnal hemoglobinuria, a condition commonly treated with complement C5 inhibitors. We present a case of meningococcal sepsis in a pegcetacoplan-treated patient with aplastic anemia and paroxysmal nocturnal hemoglobinuria.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"2 1","pages":""},"PeriodicalIF":11.8,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143470721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sourya Shrestha, Lucia Cilloni, Garrett R. Beeler Asay, J. Steve Kammerer, Kala Raz, Tambi Shaw, Martin Cilnis, Jonathan Wortham, Suzanne M. Marks, David Dowdy
{"title":"Model-Based Analysis of Impact, Costs, and Cost-Effectiveness of Tuberculosis Outbreak Investigations, United States","authors":"Sourya Shrestha, Lucia Cilloni, Garrett R. Beeler Asay, J. Steve Kammerer, Kala Raz, Tambi Shaw, Martin Cilnis, Jonathan Wortham, Suzanne M. Marks, David Dowdy","doi":"10.3201/eid3103.240633","DOIUrl":"https://doi.org/10.3201/eid3103.240633","url":null,"abstract":"<p>Outbreak investigation is an essential component of tuberculosis (TB) control in the United States, but its epidemiologic impact and cost-effectiveness have not been quantified. We modeled outbreak investigation activities in the United States during 2023–2032 and estimated corresponding epidemiologic impact, economic costs (in 2022 US$), and incremental cost-effectiveness ratios from the healthcare system perspective (cost per additional quality-adjusted life-year gained). We projected that outbreak investigations would result in 1,030,000 (95% uncertainty interval [UI] 376,000–1,740,000) contacts investigated, leading to 4,130 (95% UI 1,420–7,640) TB diagnoses and 104,000 (95% UI 37,600–181,000) latent TB infection diagnoses, at a total cost of US $219 million (95% UI $80–$387 million). We estimated that 5,560 (95% UI 1,720–11,400) TB cases would be averted through early detection and treatment, and the incremental cost-effectiveness of outbreak investigations, compared with no outbreak investigations, was $27,800 per quality-adjusted life-year gained (95% UI $4,580–$68,700).</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"17 1","pages":""},"PeriodicalIF":11.8,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143485886","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}