Charles Y. Chiu, Venice Servellita, Mikael de Lorenzi-Tognon, Patrick Benoit, Nanami Sumimoto, Abiodun Foresythe, Filipe M. Cerqueira, Natalie Williams-Bouyer, Ping Ren, Lauren Nicholas S. Herrera, David C. Gaston, Leanna Sayyad, Shannon L. Whitmer, John Klena, Holenarasipur R. Vikram, Jeremy A.W. Gold, Lalitha Gade, Lindsay Parnell, Elizabeth Misas, Tom M. Chiller, Isabel S. Griffin, Sridhar V. Basavaraju, Dallas J. Smith, Anastasia P. Litvintseva, Nancy A. Chow
{"title":"Metagenomic Identification of Fusarium solani Strain as Cause of US Fungal Meningitis Outbreak Associated with Surgical Procedures in Mexico, 2023","authors":"Charles Y. Chiu, Venice Servellita, Mikael de Lorenzi-Tognon, Patrick Benoit, Nanami Sumimoto, Abiodun Foresythe, Filipe M. Cerqueira, Natalie Williams-Bouyer, Ping Ren, Lauren Nicholas S. Herrera, David C. Gaston, Leanna Sayyad, Shannon L. Whitmer, John Klena, Holenarasipur R. Vikram, Jeremy A.W. Gold, Lalitha Gade, Lindsay Parnell, Elizabeth Misas, Tom M. Chiller, Isabel S. Griffin, Sridhar V. Basavaraju, Dallas J. Smith, Anastasia P. Litvintseva, Nancy A. Chow","doi":"10.3201/eid3105.241657","DOIUrl":"https://doi.org/10.3201/eid3105.241657","url":null,"abstract":"<p>We used metagenomic next-generation sequencing (mNGS) to investigate an outbreak of <em>Fusarium solani</em> meningitis in US patients who had surgical procedures under spinal anesthesia in Matamoros, Mexico, during 2023. Using a novel method called metaMELT (metagenomic multiple extended locus typing), we performed phylogenetic analysis of concatenated mNGS reads from 4 patients (P1–P4) in parallel with reads from 28 fungal reference genomes. Fungal strains from the 4 patients were most closely related to each other and to 2 cultured isolates from P1 and an additional case (P5), suggesting that all cases arose from a point source exposure. Our findings support epidemiologic data implicating a contaminated drug or device used for epidural anesthesia as the likely cause of the outbreak. In addition, our findings show that the benefits of mNGS extend beyond diagnosis of infections to public health outbreak investigation.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"34 1","pages":""},"PeriodicalIF":11.8,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143775649","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}
Kathryn M. Lau, Michaela Banks, Kaila Bryant, Joanie D. Lambert, Laura Marcela Torres, Stephanie M. Lunn, Cory Yun, Pavitra Roychoudhury, B. Ethan Nunley, Jaydee Sereewit, Alexander L. Greninger, Allison Black, Vance Kawakami, Sargis Pogosjans, Elysia Gonzales, Eric J. Chow
{"title":"Real-Time Use of Mpox Genomic Surveillance, King County, Washington, USA, 2022–2024","authors":"Kathryn M. Lau, Michaela Banks, Kaila Bryant, Joanie D. Lambert, Laura Marcela Torres, Stephanie M. Lunn, Cory Yun, Pavitra Roychoudhury, B. Ethan Nunley, Jaydee Sereewit, Alexander L. Greninger, Allison Black, Vance Kawakami, Sargis Pogosjans, Elysia Gonzales, Eric J. Chow","doi":"10.3201/eid3113.241242","DOIUrl":"https://doi.org/10.3201/eid3113.241242","url":null,"abstract":"<p>A piloted approach to mpox genomic surveillance began in King County, Washington, USA, during the 2022 outbreak. Genomic surveillance proved critical in determining likely international exposure of a case where no known exposures could be identified by interview, illustrating the value of genomics in case investigation and public health practice.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"55 1","pages":""},"PeriodicalIF":11.8,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143758099","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}
Philippe Noriel Q Pascua, Anton Chesnokov, Ha T Nguyen, Han Di, Juan De La Cruz, Yunho Jang, Andrei A Ivashchenko, Alexandre V Ivachtchenko, Erik A Karlsson, Borann Sar, Chin Savuth, Timothy M Uyeki, Charles Todd Davis, Larisa V Gubareva
{"title":"Antiviral Susceptibility of Influenza A(H5N1) Clade 2.3.2.1c and 2.3.4.4b Viruses from Humans, 2023-2024.","authors":"Philippe Noriel Q Pascua, Anton Chesnokov, Ha T Nguyen, Han Di, Juan De La Cruz, Yunho Jang, Andrei A Ivashchenko, Alexandre V Ivachtchenko, Erik A Karlsson, Borann Sar, Chin Savuth, Timothy M Uyeki, Charles Todd Davis, Larisa V Gubareva","doi":"10.3201/eid3104.241820","DOIUrl":"10.3201/eid3104.241820","url":null,"abstract":"<p><p>During 2023-2024, highly pathogenic avian influenza A(H5N1) viruses from clade 2.3.2.1c caused human infections in Cambodia and from clade 2.3.4.4b caused human infections in the Americas. We assessed the susceptibility of those viruses to approved and investigational antiviral drugs. Except for 2 viruses isolated from Cambodia, all viruses were susceptible to M2 ion channel-blockers in cell culture-based assays. In the neuraminidase inhibition assay, all viruses displayed susceptibility to neuraminidase inhibitor antiviral drugs oseltamivir, zanamivir, peramivir, laninamivir, and AV5080. Oseltamivir was ≈4-fold less potent at inhibiting the neuraminidase activity of clade 2.3.4.4b than clade 2.3.2.1c viruses. All viruses were susceptible to polymerase inhibitors baloxavir and tivoxavir and to polymerase basic 2 inhibitor pimodivir with 50% effective concentrations in low nanomolar ranges. Because drug-resistant viruses can emerge spontaneously or by reassortment, close monitoring of antiviral susceptibility of H5N1 viruses collected from animals and humans by using sequence-based analysis supplemented with phenotypic testing is essential.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"31 4","pages":"751-760"},"PeriodicalIF":7.2,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11950254/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143596600","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}
Min Z Levine, Feng Liu, Natasha Bagdasarian, Crystal Holiday, Stacie Jefferson, Zhu-Nan Li, Claudia Pappas, Terrence Tumpey, Timothy M Uyeki, Alexandra M Mellis, Krista Kniss, Joseph Coyle, Seth Eckel, Jeremy Kuo, Meghan Weinberg, Sarah Lyon-Callo, Lisa Mikesell, Becky Stoddard, Jennifer Morse
{"title":"Neutralizing Antibody Response to Influenza A(H5N1) Virus in Dairy Farm Workers, Michigan, USA.","authors":"Min Z Levine, Feng Liu, Natasha Bagdasarian, Crystal Holiday, Stacie Jefferson, Zhu-Nan Li, Claudia Pappas, Terrence Tumpey, Timothy M Uyeki, Alexandra M Mellis, Krista Kniss, Joseph Coyle, Seth Eckel, Jeremy Kuo, Meghan Weinberg, Sarah Lyon-Callo, Lisa Mikesell, Becky Stoddard, Jennifer Morse","doi":"10.3201/eid3104.250007","DOIUrl":"10.3201/eid3104.250007","url":null,"abstract":"<p><p>Since March 2024, highly pathogenic avian influenza A(H5N1) viruses have caused outbreaks in dairy cattle and poultry in the United States, and they continue to spill over into humans. However, data on human immune response to those viruses is limited. We report neutralizing antibody responses in 2 dairy farm worker H5N1 cases.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"31 4","pages":"876-878"},"PeriodicalIF":7.2,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11950262/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143572058","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}
Beate Sander, Sharmistha Mishra, Sarah Swayze, Yeva Sahakyan, Raquel Duchen, Kieran Quinn, Naveed Janjua, Hind Sbihi, Jeffrey Kwong
{"title":"Population-Based Matched Cohort Study of COVID-19 Healthcare Costs, Ontario, Canada.","authors":"Beate Sander, Sharmistha Mishra, Sarah Swayze, Yeva Sahakyan, Raquel Duchen, Kieran Quinn, Naveed Janjua, Hind Sbihi, Jeffrey Kwong","doi":"10.3201/eid3104.241463","DOIUrl":"10.3201/eid3104.241463","url":null,"abstract":"<p><p>Estimates of COVID-19-related healthcare costs are key to health system planning, but attributable cost data remain limited. We characterized healthcare costs attributable to COVID-19 through a population-based matched cohort study in Ontario, Canada, by using health administrative data. We matched SARS-CoV-2-positive persons from 2020 to unexposed historical control persons from 2016-2018. We estimated phase-based and survival-adjusted COVID-19-attributable healthcare costs from the health system perspective. We matched 159,817 persons. Mean (95% CI) attributable 10-day costs per person were $1 ($-4 to $6) preindex, $240 ($231-$249) during acute care, $18 ($14-$21) in postacute phases, $3,928 ($3,471-$4,384) in the terminal phase for early deaths, and $1,781 ($1,182-$2,380) for late deaths. Mean cumulative survival-adjusted cost at 360 days was $2,553 ($2,348-$2,756) per person. SARS-CoV-2 infection is associated with substantial long-term healthcare costs, consistent with understanding of post-COVID condition. Determining phase-specific costs can inform budget and pandemic planning.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"31 4","pages":"710-719"},"PeriodicalIF":7.2,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11950279/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143709119","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":"Strategies and Opportunities to Improve Community Health through Advanced Molecular Detection and Genomic Surveillance of Infectious Diseases","authors":"Jazmyn Moore, Ruth Sanon, Yury Khudyakov, Nathelia Barnes","doi":"10.3201/eid3113.241408","DOIUrl":"https://doi.org/10.3201/eid3113.241408","url":null,"abstract":"<p>Advanced molecular detection (AMD) refers to the integration of next-generation sequencing, epidemiologic, and bioinformatics data to drive public health actions. As new AMD technologies emerge, it is critical to ensure those methods are used in communities that are most affected by disease-induced illness and death. We describe strategies and opportunities for using AMD approaches to improve health in those communities, which include improving access to pathogen sequencing, increasing data linkages, and using pathogen sequencing for those diseases where sequencing technologies can provide the best health outcome. Such strategies can help address and prevent differences in health outcomes in various populations, such as rural and tribal communities, persons with underlying health issues, and other populations that experience higher risks for infectious disease.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"16 1","pages":""},"PeriodicalIF":11.8,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143758100","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}
Tyson A Woods, Stephen F Johnson, Alyssa B Evans, Karin E Peterson
{"title":"Neutralizing Antibodies against California Serogroup Orthobunyaviruses in Human Serum Samples, Montana, USA.","authors":"Tyson A Woods, Stephen F Johnson, Alyssa B Evans, Karin E Peterson","doi":"10.3201/eid3104.241520","DOIUrl":"10.3201/eid3104.241520","url":null,"abstract":"<p><p>Viral encephalitis is often underreported and undiagnosed. To understand the potential causes of viral encephalitis in the state of Montana, USA, we examined the relative incidence of human infections for the California serogroup (CSG) of Orthobunyaviruses by screening random convenience serum samples obtained from different hospitals across Montana. We initially screened deidentified samples for neutralizing antibodies against Jamestown Canyon virus (JCV), a CSG virus that has caused encephalitis in Montana. We then analyzed JCV-positive samples for neutralization of other CSG viruses, and detected neutralizing antibodies against La Crosse virus, California encephalitis virus, and Trivittatus virus. We also found a high level of cross-reactivity, particularly between JCV and California encephalitis virus. Our findings indicate that the relative CSG virus infection rates in humans are quite high, between 21% and 40%. Clinicians should consider CSG viruses in differential diagnosis for cases of encephalitis of unknown etiology in Montana.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"31 4","pages":"699-709"},"PeriodicalIF":7.2,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11950286/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143709115","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":"Oz Virus Infection in 6 Animal Species, Including Macaques, Bears, and Companion Animals, Japan.","authors":"Aya Matsuu, Kango Tatemoto, Keita Ishijima, Ayano Nishino, Yusuke Inoue, Eunsil Park, Hiroo Tamatani, Junji Seto, Hideo Higashi, Yuichi Fukui, Takashi Noma, Kandai Doi, Rumiko Nakashita, Haruhiko Isawa, Shinji Kasai, Ken Maeda","doi":"10.3201/eid3104.241574","DOIUrl":"10.3201/eid3104.241574","url":null,"abstract":"<p><p>Oz virus (OZV) was isolated from an Amblyomma tick in Japan and shown to cause lethal viral myocarditis in humans. However, the natural reservoirs and the distribution of OZV remain unknown. We describe epidemiologic studies conducted by using serum samples collected from mammals throughout Japan. The results showed that 27.5% of wild boars, 56.1% of Sika deer, 19.6% of Japanese macaques, and 51.0% of Asian black bears were positive for virus-neutralizing antibodies against OZV. Approximately 2.8% of dogs and 1.0% of cats also were seropositive. OZV RNA was not detected in any of the examined animal serum samples. Most seropositive animals were distributed in central and western Japan. OZV infects a wide range of animal species, including companion animals and nonhuman primates, and is distributed through central and western Japan, suggesting that further countermeasures are required to prevent this tickborne zoonotic infection.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"31 4","pages":"720-727"},"PeriodicalIF":7.2,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11950278/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143709117","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}
Cristhopher D Cruz, Victoria Espejo, Angelica Espinoza, Roger M Castillo-Oré, Gilda Troncos, Julia S Ampuero, Maria E Silva
{"title":"Co-Circulation of 2 Oropouche Virus Lineages during Outbreak, Amazon Region of Peru, 2023-2024.","authors":"Cristhopher D Cruz, Victoria Espejo, Angelica Espinoza, Roger M Castillo-Oré, Gilda Troncos, Julia S Ampuero, Maria E Silva","doi":"10.3201/eid3104.241748","DOIUrl":"10.3201/eid3104.241748","url":null,"abstract":"<p><p>We describe introduction of the 2022-2023 Oropouche virus lineage from Brazil, which has caused large-scale outbreaks throughout Brazil, into the Amazon Region of Peru. This lineage is co-circulating with another lineage that was circulating previously. Our findings highlight the need for continued surveillance to monitor Oropouche virus in Peru.</p>","PeriodicalId":11595,"journal":{"name":"Emerging Infectious Diseases","volume":"31 4","pages":"879-881"},"PeriodicalIF":7.2,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11950249/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143596602","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}