Get all your news in one place.
100's of premium titles.
One app.
Start reading
The Conversation
The Conversation
Yvonne Sun, Assistant Professor of Microbiology, University of Dayton

What is listeria? A microbiologist explains the bacterium behind recent deadly food poisoning outbreaks

Investigators in Florida traced a listeria outbreak to ice cream. Graiki/Moment via Getty Images

Bacteria do, and will, end up in food. Everyone eats – intentionally or unintentionally – millions to billions of live microbes every day.

Most are completely harmless, but some can cause serious illnesses in humans. Because of these potential pathogens, there is a long list of foods to avoid, including uncooked eggs, raw fish and unwashed fruits and vegetables, particularly for pregnant women. The foods themselves are not bad, but the same cannot be said for certain bacterial passengers, such as Listeria monocytogenes, or listeria for short.

Sign up to read this article
Read news from 100's of titles, curated specifically for you.
Already a member? Sign in here
Related Stories
Top stories on inkl right now
One subscription that gives you access to news from hundreds of sites
Already a member? Sign in here
Our Picks
Fourteen days free
Download the app
One app. One membership.
100+ trusted global sources.