article_snippet.sent: The health department continues to investigate how 34 people in six states contracted the hepatitis A virus, all of whom consumed the same brand of frozen mixed berries.
article_snippet.sent: Four adults, three in Victoria and one in NSW, have contracted potentially deadly Hepatitis A after condsuming the 1kg packets of Nanna's Frozen Mixed Berries .
article_snippet.sent: Hepatitis A (pictured) is spread when traces of faecal matter containing the virus comes in contact with hands, water or food, and then enters a person's mouth.
article_snippet.sent: Patties Foods said one of two opened sample packs from consumers who contracted Hepatitis A did test positive for HAV in health department testing
article_snippet.sent: A trace amount of HAV was detected in one of eight random sample packs from supermarkets but the department noted that only demonstrated the virus was present, not whether the virus was alive and could cause infection, a statement said.
article_snippet.sent: A health department spokeswoman said A health department spokeswoman investigation is ongoing with the source of the hepatitis A virus still unconfirmed and the same brand of frozen mixed berries the only common exposure for all cases.
highlights_snippet.sent: There was a national Hepatitis A outbreak in January which resulted in 34 people in six states contracting the virus .
  
highlights_snippet.sent: All 34 people who contacted Hep A had consumed the China-grown berries .
  
highlights_snippet.sent: Hep A says there was no systemic error but confirm Hep A are considering alternative supply sources .