Early Release
Disclaimer: Early release articles are not considered as final versions. Any changes will be reflected in the online version in the month the article is officially released.
Volume 31, Supplement—October 2025
Supplement
- Long-Term Illness in Adults Hospitalized for Respiratory Syncytial Virus Disease, United States, February 2022–September 2023
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Nonspecific Symptoms Attributable to Lyme Disease in High-Incidence Areas, United States, 2017–2021
For some patients who have Lyme disease (LD), nonspecific symptoms can persist after treatment and impair quality of life. Estimating the frequency and duration of such symptoms is challenging. Using commercial insurance claims data from 2017–2021 for enrollees residing in states where LD is common, we identified 24,503 case-patients with LD and matched them (1:5) with 122,095 control-patients with other diagnoses by demographics, medical service date, and inpatient/outpatient setting. We compared relative frequencies of diagnosis codes for pain, fatigue, and cognitive difficulties between case-patients and control-patients in the year after diagnosis. Those symptom codes occurred 5.0% more frequently among case-patients than among control-patients and comprised »11.0% of the total symptom codes among case-patients. Symptom code frequency among case-patients declined significantly in the 6–12 months after LD diagnosis and reached levels similar to control-patients by the end of the year, with the exception of fatigue.
- Progress Toward Understanding Infection-Associated Chronic Conditions and Illnesses
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Persistence of Symptoms among Commercially Insured Patients with Coccidioidomycosis, United States, 2017–2023
Some patients with coccidioidomycosis experience prolonged respiratory and systemic symptoms. However, data on prevalence and persistence of most symptoms are lacking. Using an insurance claims database, we identified patients with coccidioidomycosis diagnoses in the United States during 2017–2023. We assessed prevalence of associated symptoms from 6 months before to 1 year after first diagnosis code (index date) and compared post–index date prevalence to baseline (within 6 to 4 months before index date). Among 2,640 patients, cough (20.8%), dyspnea (13.0%), and fatigue (8.8%) were the most common symptoms at index date. Dyspnea and erythema nodosum were elevated 3–6 months post–index date (p<0.03), and fatigue, headache, joint pain, and weakness were elevated 9–12 months post–index date compared with baseline (p<0.05).These findings demonstrate that symptoms can persist in coccidioidomycosis patients, which could help inform clinical management and refine estimates of the health and economic burden of coccidioidomycosis.
Volume 31, Number 11—November 2025
Synopses
- Haematospirillum jordaniae Infections after Recreational Exposure to River Water, Pennsylvania, USA, 2020
- Trichosporon austroamericanum Infections among Hospitalized Patients, France, 2022–2024
- Two Concurrent Outbreaks of Listeria monocytogenes Infections Linked to Packaged Salads, 2014–2022
Research
- Pregnancy Outcomes after Exposure to Tuberculosis Treatment in Phase 3 Clinical Trial, 2016–2020
- Independent Acquisitions of Multidrug Resistance Gene lsaC in Serotype 20 Sequence Type 1257 Streptococcus pneumoniae Isolates
- Performance of Community Driven Text Message-Based Surveillance System During COVID-19 Pandemic, Los Angeles County, California, USA, 2020–2024
- Isolation and Characterization of Rickettsia finnyi, Novel Pathogenic Spotted Fever Group Rickettsia in Dogs, United States
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Tickborne Neoehrlichia mikurensis in the Blood of Blood Donors, Norway, 2023
The tickborne bacterial pathogen Neoehrlichia mikurensis has been detected in <1% of blood donors in Sweden. N. mikurensis can give rise to asymptomatic persistent infections. Up to 25% of Ixodes ricinus ticks in southern Norway are infected with N. mikurensis. We investigated the incidence of N. mikurensis infection among blood donors in this region. We detected N. mikurensis in the blood of 45/499 (9%) blood donors by independent PCR methods; 69% of those were repeatedly positive 1–7 months after the first detection and tested negative after doxycycline treatment. We tested 8/19 adult recipients of potentially infected blood; none tested positive for N. mikurensis at the time of testing (191–301 days after transfusion). Our study identified a very high rate of infection with N. mikurensis in blood donors in Norway; whether infection can be transmitted by transfusion of blood products, however, remains unclear.
Dispatches
- Borrelia afzelii Hepatitis in Patient Treated with Venetoclax and Obinutuzumab, Switzerland
- A Prospective Multicenter Study of Neoehrlichia mikurensis in Ticks and Tick-Bitten Individuals in Sweden and Finland, 2008-2009
- Two Autochthonous Cases of Anaplasmosis, Washington State, USA, 2022–2023
- Bjerkandera Species Pulmonary Infection in Immunocompromised Hosts, Germany
- Novel Dolphin Tupavirus from Stranded Atlantic White-Sided Dolphin, Canada
- Healthcare Worker Attitudes and Perceptions toward Ebola Vaccine, United States, 2024
- Shifting Dynamics of Dengue Virus Serotype DENV-2 and Emergence of Cosmopolitan Genotype, Costa Rica, 2024
Research Letters
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Two Cases of Autochthonous West Nile Virus Encephalitis, Paris, France, 2025
We report 2 cases of febrile lymphocytic meningitis with encephalitis in patients in France. One patient had not traveled outside Paris; the other had traveled to eastern France. Laboratory findings revealed acute West Nile virus infection. The cases occurred days apart, raising concern the virus has spread further in France.
- Molecular Evidence of Dengue Virus Type 2 Emergence from Returning Travelers, Sinai Peninsula
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Human Infection with Avian Influenza A(H10N3) Virus, China, 2024
We describe the clinical symptoms and epidemiologic characteristics of a patient infected with avian influenza A(H10N3) virus in Guangxi Province, China, in December 2024. Whole-genome sequencing showed that the virus was highly homologous to a virus from Yunnan Province. H10 subtype viruses should be monitored for potential zoonotic or reassortant events.
- Extensively Drug-Resistant Tuberculosis with Conflicting Resistance Testing Results, Lesotho
- Emergence of Dengue Virus Serotype 3, Lineage III_B.3.2, Angola
- Fatal Tickborne Encephalitis in Unvaccinated Traveler, Switzerland, 2022
- Orientia among Patients with Eschars and Suspected Tickborne Disease, North Carolina, 2020–2022
- Yellow Fever Virus in Aedes albopictus from an Urban Green Area in São Paulo State, Brazil
- Crimean-Congo Hemorrhagic Fever Virus in Cattle and Ticks, Israel
- Mortality Event in Rainbow Snakes Linked to Snake Fungal Disease, United States
Online Report
- Diphtheria Antitoxin Production and Procurement Practices and Challenges
Volume 31, Number 12—December 2025
Research
- Group A Streptococcus Meningitis, United States, 1997–2022




