Ongoing hepatitis A outbreak in Europe 2013 to 2014: imported berry mix cake suspected to be the source of infection in Norway.
On 7 March 2014, an increase in hepatitis A virus (HAV) infections was identified in Norway. As of 12 April, 19 cases of HAV infection with a virus strain identical to an ongoing European outbreak have been identified. Six probable cases are currently under investigation. On 11 April, a frozen berry mix cake imported from another European country was found as the likely source of the outbreak; the importer has withdrawn the product in Norway.
Department of Infectious Disease Epidemiology, Norwegian Institute of Public Health, Oslo, Norway.
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Guzman-Herrador
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Jensvoll
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Einoder-Moreno
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Lange
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Myking
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Nygard
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Stene-Johansen
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Vold
D004196:Disease Outbreaks; D005517:Foodborne Diseases / Q000453:epidemiology* / Q000209:etiology; D005628:Frozen Foods / Q000821:virology*; D005638:Fruit / Q000821:virology*; D006506:Hepatitis A / Q000453:epidemiology* / Q000821:virology; D030041:Hepatitis A virus / Q000235:genetics / Q000302:isolation & purification*; D006801:Humans; D007407:Interviews as Topic; D009664:Norway / Q000453:epidemiology; D011795:Surveys and Questionnaires