Food Safety

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Slide 1

Food Born Illness

YOU could be next!!

Slide 2

What is food born illness?

Illness resulting from eating food contaminated w/ a bacteria or virus.

May cause outbreaks where many people become sick, with the same illness at the same time. (about 10% of a population)

1. Usually contaminated food comes from a location away from home (restaurant, baseball game etc.).

Slide 3

Epidemiology

The tracking of outbreaks of illness (not always food illness) to discover where the original source of contamination came from.

Why?

To PREVENT it from happening again!

Slide 4

Salmonella

Bacteria

1. Many types live in poultry & swine (birds & pigs)

2. Can be found in environment

a. water

b. soil

c. insects

d. animal feces

3. Found in undercooked meats, eggs

a. 1 in every 3 eggs is contaminated!

b. Illness can be avoided if eggs are cooked properly.

Slide 5

3 Conditions BAC need to live

Warmth

Moisture

Nutrients

Slide 6

2 factors that kill BAC!

Extreme heat (this is BEST!)

Extreme cold

Pasteurization - a heat treatment used to kill bacteria. (commonly used with milk & juice)

Slide 7

Symptoms

Nausea

Vomiting

Stomach cramps

Diarrhea

Fever

Headache

CAN be fatal - RARE!

Slide 8

After Ingestion of bacteria

Will be sick within 6-72 hours after eating contaminated food. (NOT usually sick immediately after eating!)

Symptoms usually last 4-7 days

Most recover without antibiotics

Diarrhea can be severe enough to hospitalize person (dehydration)

Slide 9

E. coli

Bacteria that produces a powerful toxin & can cause severe illness.

1. Most strains harmless

2. Live in intestines of healthy humans & animals.

3. Found in undercooked ground beef & non-pasteurized milk.

A. Meat can become contaminated during cattle slaughter.

B. Bacteria on cow’s udders or on equipment can get into milk.

Slide 10

IMPORTANT vocabulary!