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Published on: June 18, 2020
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Travel-associated hepatitis A in Europe, 2009 to 2015
Julien Beauté1, Therese Westrell1, Daniela Schmid2
1European Centre for Disease Prevention and Control (ECDC), Stockholm, Sweden.
Summary
International travel remains a significant risk for hepatitis A virus (HAV) infection in Europe. While the risk has slightly decreased, children under 15 are disproportionately affected and require prioritized vaccination.
Area of Science:
- Epidemiology
- Infectious Diseases
- Public Health
Background:
- International travel to regions with high hepatitis A virus (HAV) endemicity poses a risk for travelers from low-endemicity countries.
- Understanding travel-related HAV infection is crucial for public health interventions in Europe.
Purpose of the Study:
- To quantify the risk of hepatitis A infection among European travelers.
- To analyze trends in travel-associated HAV cases within the European Union/European Economic Area (EU/EEA).
Main Methods:
- Utilized hepatitis A surveillance data from 13 EU/EEA countries (2009-2015).
- Incorporated travel denominator data from the Statistical Office of the European Union.
- Defined travel-associated cases as those reported as imported.
Main Results:
- Over 18,800 confirmed HAV cases were reported, with 27.8% linked to travel.
- Children under 15 represented 39.8% of travel-associated cases.
- The overall risk decreased by 3.7% annually, with Africa posing the highest risk.
Conclusions:
- Travel continues to be a primary risk factor for HAV infection in the EU/EEA.
- A notable proportion of travel-related HAV cases occur in children, highlighting the need for targeted vaccination strategies.
- Public health efforts should focus on vaccination for young travelers to mitigate HAV risk.
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