Transcript Listeriosis

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
