ArticleEmerging infectious diseases2025
Epidemiology of Chikungunya Hospitalizations, Brazil, 2014-2024.
Article in Emerging infectious diseases, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Characterization of the clinical forms of chronic chikungunya: an observational cohort study in Rio de Janeiro.International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases · 2026Observational
- Clinical, Virological, and Pathological Outcomes Associated with Viral Dose in AG129 Mice Infected with Chikungunya Virus: An In Vivo Model to Study Viral Pathogenesis and Antiviral Preclinical Evaluation.Pathogens (Basel, Switzerland) · 2026Article
- Review
- Beyond the epidemic curve: a critical systematic review of the structural, ecological, and viral determinants sustaining Chikungunya and Zika viruses in Latin America and the Caribbean.Therapeutic advances in infectious diseaseReview
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Authors and funding
4 authors.
Funding
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Abstract
We describe 7,421 chikungunya hospitalizations in Brazil covered by the country's unified health system during 2014-2024. Most (43.2%) hospitalizations occurred in 2016 and 2017, reaching 0.72 (95% CI 0.69-0.76) hospitalizations/100,000 population in 2016. Hospitalizations were more frequent among persons who were female (55.8%), identifying as brown or black (63.5%), and 1-19 years of age (31.4%). Intensive care unit admissions occurred in 1.4% of cases, predominantly among children <5 and adults >85 years of age. The overall in-hospital case-fatality rate was 1.1%, which increased substantially with age, reaching 11.5% among patients >90 years of age and 14.1% among men 85-89 years of age. Patients admitted to the intensive care unit had a case-fatality rate of 21.1%. The total cost of chikungunya hospitalizations was US $560,746 (US $76.26 per patient). Our findings provide insights for surveillance of the most severe chikungunya cases.
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Registered trials
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