Outbreak of Hepatitis A in Sweden
Published: 2025-11-27
An outbreak of hepatitis A (genotype IA) is currently under investigation in Sweden. Since early September, five confirmed cases (three men and two women, aged 17 to 64) have been reported across three regions. All affected individuals consumed frozen imported strawberries and raspberries that had not been heated before eating. Although the frozen berries are the suspected source of the current outbreak, laboratory tests have not confirmed the presence of the virus in the sampled products. The latest reported illness began on 23rd October 2025. The investigation is being conducted collaboratively by regional infectious disease control units, municipalities, the Swedish National Food Agency, and the Public Health Agency of Sweden (Folkhälsomyndigheten). For more information about the outbreak, please refer to our hepatitis A outbreak page. Information is also available directly from the Public Health Agency (only available in Swedish).
Hepatitis A is a viral infection that causes inflammation of the liver, with symptoms ranging from fever and nausea to jaundice and fatigue. While the illness typically resolves without long-term damage and does not become chronic, individuals with underlying liver conditions may be at increased risk of complications. Recovery generally results in lifelong immunity. For more information about the symptoms, causes, and treatments of of hepatitis A, please refer to the Public Health Agency’s hepatitis A information page (only available in Swedish).
The Swedish Pathogens Portal continues to monitor and investigate research resources linked to outbreaks and emergent pathogens in Sweden. To keep up to date about current outbreaks, please see our dedicated section.