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CDC HIV/AIDS/Viral Hepatitis/STD/TB Prevention News Update

SWEDEN: Hepatitis Outbreak Blamed On Frozen Berries


The Local (Sweden's News in English) (04.11.13) Aids Weekly Plus

The Swedish Institute for Communicable Disease Control (Smittskyddsinstitutet, SMI) announced on April 11 that frozen berries may have been responsible for up to 22 cases of hepatitis A in Sweden since December of last year. Traces of the berries are currently being sent to the Swedish National Food Agency for testing, but Swedish individuals stricken with hepatitis A since December have been found to be infected with the same strain as 30 individuals recently diagnosed in Denmark, which was also traced to frozen berries and, more particularly, to strawberries. According to SMI epidemiologist Margareta Löfdahl, cooking the berries for at least one minute will ensure that the bacteria is killed, and this advice applies to all sorts of frozen berries from all suppliers and is the safest option until more is known.


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