Between 10 August and 31 October 2025, 343 cases (306 confirmed and 37 probable) of symptomatic autochthonous chikungunya virus (CHIKV) infection were notified in eight municipalities in the province of Modena, Emilia-Romagna region, northern Italy. The infection was diagnosed by detection of CHIKV RNA in blood and urine samples, and by detection of IgM antibodies against CHIKV. Most common symptoms were arthralgia (n = 326) and fever (n = 317). No fatalities were reported. Chikungunya virus RNA was detected in 39 (14.8%) of 263 pools of Aedes albopictus mosquitoes, thereby confirming local vector-borne transmission. Sequences from 11 case samples and two mosquito pools were whole genome sequenced. The viral strain belonged to the East/Central/South African (ECSA) lineage 2 and was closely related to the strains circulating in Reunion Island in 2024–25. The public health response included rapid vector control measures, reinforced epidemiological surveillance and multidisciplinary coordination between public health authorities and clinicians, laboratories and entomologists. This was one of the largest autochthonous CHIKV outbreaks ever recorded in a temperate European region. It highlights the critical importance of integrated, multidisciplinary preparedness and response for arboviral threats in non-endemic areas.
Giada Rossini, Giulio Matteo, P. Angelini et al.· Euro surveillance : bulletin...· 0 citations
Childhood cancers are rare, but incidence has risen modestly in countries with robust registration, partly reflecting improved diagnosis. In high-income countries, cancer is the leading cause of disease-related death in children. Marked inequities in incidence, survival, and research capacity underscore the need for large-scale collaboration to identify environmental, genetic, and contextual determinants of risk. The Childhood Cancer and Leukemia International Consortium (CLIC) was established in 2007 to study the etiology of childhood leukemia and later expanded in 2019 to include other childhood cancers, principally solid tumors. CLIC pools harmonized, individual-level data from case–control and cohort studies, obtained through interviews, record linkage (insurance claims, registries), or geographic information systems, and integrates germline genomic data where available. Membership has grown from 13 studies in 9 countries to 57 studies in 21 countries; recruitment spans the early 1960s to the present and encompasses approximately 150,000 cases across all tumor types and 300,000 controls with clinical, demographic, and exposure data, centralized via harmonized data dictionaries at the Data Coordination Center, established in 2014 at the International Agency for Research on Cancer, and supported by a secure analysis platform. Pooled analyses across diverse populations have implicated parental age, prenatal vitamin or folic acid use, mode of delivery, fetal growth, selected congenital anomalies, occupational or household exposures (e.g., pesticides), paternal smoking, and markers of early-life immune modulation (e.g., breastfeeding, daycare attendance) in leukemia risk, informing carcinogen evaluation and prevention. The integration of genetic ancestry and germline susceptibility data is clarifying ancestry-related differences in leukemia biology and outcomes, while confirming risk loci with population-specific effects. CLIC is now adding polygenic risk scores and exposomic data to refine etiologic subtyping and identify modifiable pathways, while broadening representation from underserved regions through partnership-building and capacity-strengthening.
Ana M. Mora, J. Mejía-Aranguré, J. Dockerty et al.· Cancer Epidemiology· 0 citations
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