Assessment of the healthcare burden of dengue disease in Germany: a retrospective analysis of statutory health insurance data (2014–2023)
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2026
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Abstract
BACKGROUND: The burden of dengue disease in Germany is a growing public health concern. While travellers to dengue-endemic countries are at increased risk of contracting a dengue infection, data describing dengue-related healthcare utilization and outcomes in Germany are limited. This study investigated the healthcare burden of dengue disease in travellers returning to Germany. METHODS: A retrospective analysis (InGef research database) was used to estimate dengue incidence using anonymized representative data from the German Statutory Health Insurance from approximately 7 million insured persons/year during 2015-2023. Outpatient and inpatient healthcare use and dengue associated costs were investigated. RESULTS: From 2015-2023, among 10 151 240 insured persons, 887 dengue episodes were recorded. Patients had a median age of 33 years (interquartile range 26-46) and 52% were male. Each year, 103-182 episodes were reported (COVID-19 pandemic period [2020-22]: 10-62). Excluding the pandemic years, incidence was 1.4-2.5/100000 persons, with an estimated total of 1453-2639 cases/year in Germany. Of the 37% hospitalized persons, 4% required intensive care. Mean hospital stay was 3.3 days; most patients were discharged after 1 overnight stay and no dengue related deaths were reported. Overall, 41% of patients took sick leave during their episode (mean sick leave for hospitalized patients: 8.8 working days); 38% of those not hospitalized took sick leave lasting 6.9 working days on average. Patients with dengue had 2-fold increased healthcare visits, resulting in a 162% increase in costs (mean costs/episode/quarter: 930€) compared with the pre-index period, with these costs mainly driven by outpatient care (23%) and hospitalization (64%). Hospitalized patients had a 4-fold rise in costs (quarterly costs/episode: 1700€; inpatient care accounting for 80%) compared with the pre-index period. CONCLUSIONS: Dengue virus infection in travellers returning to Germany impacted the healthcare system in Germany, leading to high costs, hospitalizations and physician visits, and considerable sick leave.
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| Authors | Christoph Lübbert, Markus Frühwein, Carolin Stephanie Dinjer, Caroline Mächler, Eduardo Bittencourt de Gomensoro, Tobias Vogelmann, Bojana Milovanović |
| Journal | international journal of travel medicine and global health |
| Year | 2026 |
| DOI |
10.1093/jtm/taag047
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| URL | |
| Keywords | Keywords not found |
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