Denmark and Sweden – Imported frozen berries suspected in hepatitis A outbreak

Food Safety News

Officials in Sweden and Denmark are investigating a hepatitis A outbreak with frozen imported berries suspected to be the source of infection.

Since mid-July, nine patients with the same type of hepatitis A virus have been reported from five different regions in Sweden. The latest patient fell ill on Sept. 18.

Six women and three men from Norrbotten, Västra Götaland, Stockholm, Uppsala and Södermanland are infected with the liver virus. Patients range from 2 to 78 years old. Also, a couple of people are ill in Denmark.

Frozen berries named as potential source
Interviews have found some people ate frozen imported berries, especially raspberries, which were not heated before consumption. However, analysis of sampled berries has not been able to detect the hepatitis A virus.

Local infection control units, Swedish Food Agency (Livsmedelsverket), and Public Health Agency of Sweden (Folkhälsomyndigheten) are investigating to confirm the source of the infections.

Two Danish cases have been linked to the Swedish outbreak and a cross-border investigation has been initiated.

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