Hep A warning: Taking care with those frozen berries

by | Sep 15, 2022 | News

New Zealand Food Safety is advising consumers, especially those with chronic liver damage, the elderly and pregnant people to consider extra precautions if eating frozen berries to minimise the risk of Hepatitis A, says New Zealand Food Safety deputy director-general Vincent Arbuckle.

Hepatitis A is relatively rare in New Zealand, but in 2015 imported frozen berries were linked to an outbreak of the disease.

“We have recently become aware of 3 cases of Hepatitis A, all of whom regularly consume imported frozen berries and are linked through virus genotyping”, says Arbuckle.

“While there is not sufficient information on a specific brand to initiate a targeted product recall, the evidence from the cases and from international experience, indicates a risk of exposure to Hepatitis A from consuming imported frozen berries.Given we are moving towards the summer months where more frozen berries will be consumed, we considered it appropriate to remind consumers of these simple precautions. This is particularly the case for vulnerable communities for whom the consequences of becoming infected with the Hepatitis A virus can be serious.”

New Zealand Food Safety is advising people to be aware of the risks and if eating frozen berries to take the following precautions during pregnancy, if they are elderly or with chronic liver damage:

  • briefly boil frozen berries before eating them, or
  • ensure cooking temperatures exceed 85 degree Celsius for 1 minute.
  • wash your hands before eating and preparing food.

New Zealand has excellent systems to minimise risk throughout the supply chain and food businesses are verified to ensure the proper precautions are being taken, says Arbuckle.

“In addition, imported berries are subject to a sampling and testing regime before being released for sale. However, we will never be able to completely eliminate any food safety risk from food for sale. That’s why we encourage consumers to consider extra precautions at home.

“The safety of consumers is our number 1 priority, and we will continue to monitor the situation with that in mind. As part of this, we are working with frozen berry suppliers to ensure they are aware of potential risks and are actively managing the issue. If we identify any evidence of a wider risk we will assess and take appropriate action, including product recalls.”


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