How is listeriosis spread?
Listeriosis is spread via contaminated food. A pregnant woman can transmit the bacteria to her unborn baby.
Author: Idan Ben-Barak
First answered: 20 Oct 2014
Last reviewed: 19 May 2018
Rating: 4.0/5 Votes: 563
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Listeriosis is a condition caused by Listeria monocytogenes bacteria. These bacteria are widespread in nature and can be found in the soil, water and in many animals. People most often get infected with Listeria after eating food that is contaminated with the bacteria.
Symptoms of listeriosis resemble those of the flu and may include fever, chills, headache, feeling unwell, muscle pain and diarrhea. If the bacteria infect the nervous system or the blood, severe listeriosis can set in. Symptoms of severe listeriosis …
Listeriosis is diagnosed by laboratory testing of tissue samples and blood.
Most cases of listeriosis will clear after a few days. Complicated listeriosis in high-risk people requires medical attention.
Although the chance of infection cannot be completely eliminated, listeriosis can be avoided by practicing good food-handling practices. People at risk can avoid risky foods.