Simple Steps To Avoid Life-threatening Listeriosis

Published: Wed 5 Jun 2024 10:20 AM
New Zealand Food Safety (NZFS) wants people to take some practical steps to prevent a rare and life-threatening foodborne illness.
“While rare, every year people die from listeriosis - a disease caused by the bacterium Listeria - and the effects are tragic for their families,” says NZFS deputy director-general Vincent Arbuckle.
“Listeriosis can be prevented and there are simple steps people can take at home to avoid getting sick. So, today we launch a campaign to help some of those most at risk - pregnant and older people - better understand the risks of listeriosis and what to do to decrease them.”
Listeriosis is a result of eating or drinking food that has high levels of Listeria, which is widespread in the environment.
Listeriosis is rare in New Zealand and cases are usually not connected, whereas cases in other countries are predominantly due to outbreaks.
In New Zealand, there were four deaths from listeriosis in 2021 and six in 2022, with 78 people hospitalised over those two years.
“Infections in healthy adults are unlikely to be severe, but listeriosis during pregnancy can cause miscarriage, premature labour, stillbirth, or disease in the newborn baby,” says Mr Arbuckle.
“As you age - and particularly over 65 - your immune system gets weaker. This means foods you safely ate in the past may no longer be safe for you to eat.
“Some people may not be aware of this. So, we’re using our campaign to highlight higher-risk foods while sharing some food-safety advice on how to make them safe to eat.”Higher-risk foods include:ready-to-eat meat products, like deli meats and pâtéssmoked seafood (especially cold smoked fish)soft cheeses (like brie and camembert)uncooked paneer cheeseunpasteurised dairy products (like raw milk and cheese)soft serve ice-creamsome fruit (like melons)leafy greens and bagged salad (like mesclun and spinach)uncooked sprouts (like alfalfa and mung beans) and enoki mushroomsuncooked frozen vegetablessome refrigerated foods with a long shelf lifeready-to-eat cooked meals.To lower the risk of getting listeriosis, you can:choose safer foodscook food thoroughlyonly eat fruit and vegetables that have been washed and dried thoroughlyonly eat food that was recently preparedrefrigerate leftovers quicklypreheat food to steaming hot (more than 70°C) before eatingavoid eating leftovers that won’t be reheatedwash and dry your hands thoroughly and follow good food hygiene practices.
“Friday is World Food Safety Day, and this year’s theme is ‘prepare for the unexpected’,” says Mr Arbuckle.
“NZFS requires food businesses to prevent Listeria in the processing environment and have measures in place to manage its presence.
“If something goes wrong, we support businesses with their consumer-level food recalls. Last year there were three consumer recalls due to the possible presence of Listeria.
“But there’s also something you can do to be prepared for the unexpected. If you make or buy food for vulnerable people, or are perhaps vulnerable yourself, sign up to our food recall alerts.
“And look out for our campaign so you can share it with people who may not know the life-threatening risks of listeriosis.”
Find out more:
Listeria infection: symptoms and advice
Food and pregnancy
Food safety advice for over-65s
Food safety advice for people with low immunity

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