Listeriosis

By: Rebecca Nicholson

Khezra Amjed

Hanzla Khan

What is it?

Listeriosis is a potentially fatal infection. It is caused by a bacteria called listeria monocytogenes. It can

be found in both humans and animals.

How you can get it.

•Direct contact with contaminated food

•Inhalation

•Orally

Where it is found

Types of food commonly contaminated by listeria include:

• dairy products• fish

• meat• vegetables

It is also found in:•Soil

•water•Dust

•Sewage

How it is Spread

How is listeriosis spread?

• Eating contaminated food • Pregnant women passing the infection to unborn children • Contact with infected animals

Symptoms

• fever, muscle aches, and sometimes, nausea, vomiting, and

diarrhea (in minor cases)

•Severe cases include symptoms such as encephalitis, meningitis and

septicemia and even death.

symptoms occur usually during a 48 hours duration after consuming

contaminated food or drink

Prevention of illness

Thoroughly cook all foods especially meats.Wash fruits and vegetables before eating.

Do not eat or drink unpasteurized milk.People with weak immune systems should avoid soft style cheeses and deli meats (Also applies to

pregnant women).

Fun Facts

•When listeriosis targets animals it is also known as “circling disease” because it cause the infected animal to walk around in circles•The illness may last for 7-10 days depending on the individual.•The disease mainly affects adults 60 years and older, pregnant women, newborns, and people with weakened immune systems.•About 2000 people in the U.S are infected annually and about 600 of them die

Work Cited

• Hoeprich, Paul D. "Listeriosis." Encyclopedia Americana. Grolier Online, 2012. Web. 14 Sept. 2012.

• Listeriosis. The Center for Food Security and Public Health, June 2009. Web. 15 Sept. 2012. <http://www.cfsph.iastate.edu>.

Listeriosis. Encyclopedia Britannica Online School Edition, 2012. Web. 14 Sept.2012. <http://school.eb.com/eb/article-9048500>.

Stedman's Medical Dictionary for the Health Professions and Nursing. 7th ed. 

     Vol. 1. Philadelphia: Julie K. Stegman, 2012. Print. Stedman