Jorge Martín-Trueba, Isabel Jado, María Elena Andrés-Galván, Rosa M González-Martín-Niño, Inés Martín-Martín, Marcos López de-Felipe Escudero, María Teresa Llorente, José María Serrano-Romero, Antonio Sampedro, Raquel Andrade-Lobato, Coral García-Esteban, Judit Gil-Zamorano, María Isabel Hurtado-Gavilán, David González-Barrio
{"title":"Pediatric Rickettsia massiliae Infection, Spain, 2023.","authors":"Jorge Martín-Trueba, Isabel Jado, María Elena Andrés-Galván, Rosa M González-Martín-Niño, Inés Martín-Martín, Marcos López de-Felipe Escudero, María Teresa Llorente, José María Serrano-Romero, Antonio Sampedro, Raquel Andrade-Lobato, Coral García-Esteban, Judit Gil-Zamorano, María Isabel Hurtado-Gavilán, David González-Barrio","doi":"10.3201/eid3209.260035","DOIUrl":"10.3201/eid3209.260035","url":null,"abstract":"<p><p>Rickettsial disease caused by Rickettsia massiliae is rare in humans; only 6 cases have been reported since 2006. We report a case of R. massiliae infection in a pediatric patient in Spain with symptoms suggestive of rickettsiosis. Our results suggest that R. massiliae is an emerging tickborne rickettsial pathogen.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"32 9","pages":"1519-1520"},"PeriodicalIF":7.9,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13555713/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148839018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Pediatric Tuberculosis Care Outcomes in a Tertiary Care Center, France, 2014-2024.","authors":"Diane Franco, Luc Panetta, Florence Ader, Antoine Ouziel, Yves Gillet, Côme Horvat","doi":"10.3201/eid3209.260600","DOIUrl":"10.3201/eid3209.260600","url":null,"abstract":"<p><p>We evaluated pediatric tuberculosis treatment outcomes in a tertiary care center in France during 2014-2024 by using updated World Health Organization definitions. Among 123 children, 60.9% were successfully treated. Unfavorable outcomes reflected suboptimal adherence, dosing errors, and incomplete follow-up, highlighting the need for implementation and evaluation of optimized care processes.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"32 9","pages":"1511-1513"},"PeriodicalIF":7.9,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13555715/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148839107","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Armine Sanosyan, Zuelma A Contreras, Van Ngo, Michael K Brown, Nicole M Green, Lee A Borenstein, Jill K Hacker, Will S Probert, Alexa C Quintana, Monica P Haw, Umme-Aiman Halai
{"title":"Improved Case Detection of Fleaborne Typhus by PCR Testing, Los Angeles County, California, USA, 2022-2024.","authors":"Armine Sanosyan, Zuelma A Contreras, Van Ngo, Michael K Brown, Nicole M Green, Lee A Borenstein, Jill K Hacker, Will S Probert, Alexa C Quintana, Monica P Haw, Umme-Aiman Halai","doi":"10.3201/eid3209.260554","DOIUrl":"10.3201/eid3209.260554","url":null,"abstract":"<p><p>Fleaborne typhus (FBT) is reemerging as a significant cause of febrile illness in southern California, USA. We performed enhanced testing on low-titer Rickettsia typhi antibody-positive specimens from patients with FBT-compatible illness reported in Los Angeles County, California, during 2022-2024. We tested 114 specimens by repeat serology and 113 by real-time PCR; 81 (71%) were PCR-positive, and 95 (83%) had higher antibody titers by repeat serology. Most PCR-positive specimens were collected 8-10 days after illness onset, but some were collected up to 15 days after illness onset. All PCR-positive specimens were R. typhi-specific. After additional testing, 113 (99%) suspected cases were reclassified as probable or confirmed FBT cases. Our findings indicate that many low-titer seropositive results represent true infections and that use of minimum serology thresholds for public health investigation underestimates surveillance case counts. Expanding commercial molecular testing capacity will improve clinical FBT diagnosis and enhance surveillance accuracy.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"32 9","pages":"1413-1420"},"PeriodicalIF":7.9,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13555722/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148724435","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ian G Bemis, Ismaila Shittu, Jacob F Gomez, Esther A Fadaka, Sofia Perez, Gregory C Gray, Kristen K Coleman
{"title":"Seroprevalence of Influenza A(H5N1) Virus in Domestic Cats at Epicenter of Dairy Cattle Outbreaks, California, USA, 2024-2026.","authors":"Ian G Bemis, Ismaila Shittu, Jacob F Gomez, Esther A Fadaka, Sofia Perez, Gregory C Gray, Kristen K Coleman","doi":"10.3201/eid3209.260785","DOIUrl":"10.3201/eid3209.260785","url":null,"abstract":"<p><p>We conducted a serologic study of domestic cats near the epicenter of the dairy cattle outbreaks of influenza A(H5N1) in California, USA. Three of the 12 cats sampled within 2 km of farms had neutralizing antibodies against H5N1 virus. Proximity to dairy farms was a statistically significant risk factor for seropositivity.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"32 9","pages":"1474-1477"},"PeriodicalIF":7.9,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13555714/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148600417","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Caroline Maluleka, Husna Ismail, Liliwe Shuping, Ruth Mpembe, Gift Sandhleni, Serisha Naicker, Tsidiso Maphanga, Nelesh P Govender
{"title":"Wickerhamomyces anomalus Pseudo-Outbreak Associated with Medical Lubricating Gel, South Africa, 2023-2024.","authors":"Caroline Maluleka, Husna Ismail, Liliwe Shuping, Ruth Mpembe, Gift Sandhleni, Serisha Naicker, Tsidiso Maphanga, Nelesh P Govender","doi":"10.3201/eid3209.260608","DOIUrl":"10.3201/eid3209.260608","url":null,"abstract":"<p><p>A nationwide investigation identified 426 patients with Wickerhamomyces anomalus fungal cultures in South Africa; most cases clustered during May-November 2023. Case-patients lacked evidence of infection, indicating a pseudo-outbreak. Genomic and laboratory analyses implicated contaminated sterile lubricating gel. A nationwide product recall resulted in a decline in reported cases.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"32 9","pages":"1492-1496"},"PeriodicalIF":7.9,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13555721/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148839421","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pierina D'Angelo, Lieska Rodríguez, Víctor Alarcón, Yoneira Sulbarán, Norca García, Giulianna Antonelli, Marwan Aguilar, Martha Bravo, Zoila C Moros, Carmen L Loureiro, Ferdinando Liprandi, José L Zambrano, Rossana C Jaspe, Flor H Pujol
{"title":"Emergence of Oropouche Virus, Venezuela, 2025.","authors":"Pierina D'Angelo, Lieska Rodríguez, Víctor Alarcón, Yoneira Sulbarán, Norca García, Giulianna Antonelli, Marwan Aguilar, Martha Bravo, Zoila C Moros, Carmen L Loureiro, Ferdinando Liprandi, José L Zambrano, Rossana C Jaspe, Flor H Pujol","doi":"10.3201/eid3209.250678","DOIUrl":"10.3201/eid3209.250678","url":null,"abstract":"<p><p>We describe 5 cases of human Oropouche virus infection detected in rural Venezuela in 2025. All isolates belonged to the OROVBr<sub>2015-2024</sub> reassortant lineage linked to the 2024-2025 epidemic. Our results emphasize ongoing transmission, which highlights the need for strengthened surveillance and laboratory capacity in South America.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"32 9","pages":"1523-1525"},"PeriodicalIF":7.9,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13555709/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148839600","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Risa Pesapane, Kaylee Shrock, Cece Bryant, Andrew J Rosendale
{"title":"Gulf Coast Ticks (Amblyomma maculatum) and Rickettsia parkeri, Ohio, USA, 2020.","authors":"Risa Pesapane, Kaylee Shrock, Cece Bryant, Andrew J Rosendale","doi":"10.3201/eid3209.260632","DOIUrl":"10.3201/eid3209.260632","url":null,"abstract":"<p><p>We report the establishment of the Gulf Coast tick (Amblyomma maculatum) and Rickettsia parkeri bacteria in Ohio, USA. We collected host-seeking ticks through surveillance in 2020-2021. Our discovery of established populations in 2 Ohio counties highlights a medically critical vector-pathogen system with serious public health implications.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"32 9","pages":"1521-1522"},"PeriodicalIF":7.9,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13555725/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148839613","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Invasive Wickerhamomyces anomalus Infections among Injecting Drug Users, France, 2012-2024<sup>1</sup>.","authors":"Maxime Lefranc, Adrien Pain, Fréderic Dalle, Pierre Baudino, Claudio Plaisant, Taieb Chouaki, Josephine Dorin, Anne-Pauline Bellanger, Julie Bonhomme, Maxime Moniot, Celia Rouges, Françoise Botterel, Gregoire Pasquier, Lilia Hasseine, Estelle Perraud-Cateau, Jean-Pierre Gangneux, Laurence Delhaes, Damien Costa, Juliette Guitard, Alexandre Alanio, Valerie Letscher-Bru, Emilie Guemas, Guillaume Desoubeaux, Karine Boukris-Sitbon, Olivier Lortholary, Fanny Lanternier, Marie Desnos-Ollivier, Sebastien Imbert","doi":"10.3201/eid3209.251817","DOIUrl":"10.3201/eid3209.251817","url":null,"abstract":"<p><p>Wickerhamomyces anomalus is a yeast rarely involved in human invasive fungal diseases (IFD). We retrospectively analyzed 44 episodes of W. anomalus IFD in France during 2012-2024. Injecting drug use (IDU) was the main risk factor among 26/35 (74.3%) incident cases. Most infections were community acquired; overall 3-month mortality rate was 1/30 (3.3%). Short tandem repeat (STR) genotyping and whole-genome sequencing analyses revealed substantial genetic diversity among isolates. However, 1 STR genotype was shared by 2 IDU patients, suggesting common exposure. In addition, 1 isolate obtained from a cotton filter used for drug preparation was identical by STR genotyping to the bloodstream isolate from the same patient, indicating direct inoculation via contaminated material or poor injection practices. Our findings highlight the increased risk for W. anomalus IFD among IDU patients and emphasize the importance of targeted preventive measures within that population.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"32 9","pages":"1452-1462"},"PeriodicalIF":7.9,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13555705/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148839641","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Andrew S Handel, Sophia Ahmed, Ilia Rochlin, Hwan Keun Kim
{"title":"Southern Tick-Associated Rash Illness in Pediatric Patient, New York, USA, 2025.","authors":"Andrew S Handel, Sophia Ahmed, Ilia Rochlin, Hwan Keun Kim","doi":"10.3201/eid3209.260871","DOIUrl":"10.3201/eid3209.260871","url":null,"abstract":"<p><p>Southern tick-associated rash illness (STARI) is a tickborne disease of unknown etiology characterized by an erythema migrans-like skin lesion. We report a STARI case in New York in a child after an Amblyomma americanum tick bite; we detected Borrelia lonestari, a disputed cause of STARI, in the tick.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"32 9","pages":"1508-1510"},"PeriodicalIF":7.9,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13555724/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148583736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}