Food Born IllnessFood Born IllnessYOU could be next!!YOU could be next!!

What is food born illness?What is food born illness?

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

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

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

EpidemiologyEpidemiology

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

Why? Why? To PREVENT it from happening To PREVENT it from happening

again!again!

SalmonellaSalmonella

A.A.BacteriaBacteria1. Many types live in 1. Many types live in poultry & swine (birds poultry & swine (birds & pigs)& pigs)2. Can be found in 2. Can be found in environmentenvironment

a. watera. waterb. soilb. soilc. insectsc. insectsd. animal fecesd. animal feces

3. Found in 3. Found in undercooked meats, undercooked meats, eggseggs

a. 1 in every 3 eggs is a. 1 in every 3 eggs is contaminated!contaminated!

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

3 Conditions BAC need to live3 Conditions BAC need to live

1.1. WarmthWarmth

2.2. MoistureMoisture

3.3. NutrientsNutrients

2 factors that kill BAC!2 factors that kill BAC!

1.1. Extreme heatExtreme heat (this is BEST!)(this is BEST!)

2.2. Extreme coldExtreme cold

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

SymptomsSymptoms1.1. NauseaNausea2.2. VomitingVomiting3.3. Stomach crampsStomach cramps4.4. DiarrheaDiarrhea5.5. FeverFever6.6. HeadacheHeadache

• CAN be fatal - RARE!CAN be fatal - RARE!

After Ingestion of bacteriaAfter Ingestion of bacteria

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

2.2. Symptoms usually last 4-7 daysSymptoms usually last 4-7 days

3.3. Most recover without antibioticsMost recover without antibiotics

4.4. Diarrhea can be severe enough to Diarrhea can be severe enough to hospitalize person (dehydration)hospitalize person (dehydration)

E. coliE. coliA.A.Bacteria that Bacteria that

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

1. Most strains 1. Most strains harmlessharmless

2. Live in intestines of 2. Live in intestines of healthy humans & healthy humans & animals.animals.

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

A. Meat can become A. Meat can become contaminated during contaminated during cattle slaughter.cattle slaughter.

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

IMPORTANT vocabulary!IMPORTANT vocabulary!Cross ContaminationCross Contamination - -

moving bacteria from moving bacteria from one source to another.one source to another.

VectorVector - responsible - responsible party (object, machine) party (object, machine) that actually carries the that actually carries the bacteria from source to bacteria from source to source.source.

HostHost - original - original source of source of contamination.contamination.

SymptomsSymptoms

1.1. All the same All the same symptoms as symptoms as Salmonella.Salmonella.

2.2. PLUS you CAN PLUS you CAN have….bloody have….bloody diarrhea!diarrhea!

In children under In children under 5 years old & in 5 years old & in the elderly it can the elderly it can cause kidney cause kidney failure, & destroy failure, & destroy red blood cells - red blood cells - RARE, only 2-RARE, only 2-7% of cases.7% of cases.

After Ingestion of E.coliAfter Ingestion of E.coli1.1. Illness usually lasts 5-10 daysIllness usually lasts 5-10 days

2.2. Most people recover w/out antibioticsMost people recover w/out antibiotics

3.3. Should NOT use anti-diarrhea medications.Should NOT use anti-diarrhea medications.

WHY?WHY?

- keeps BAC in body & allows BAC to grow - keeps BAC in body & allows BAC to grow in warm, moist, conditions (& the BAC has in warm, moist, conditions (& the BAC has lots of nutrients!) so it GROWS! lots of nutrients!) so it GROWS!

PreventionPrevention1.1. Cook all meat wellCook all meat well

a. Use meat thermometera. Use meat thermometerb. Thickest part of meat b. Thickest part of meat should be - should be -

- 160° - beef- 160° - beef- 170° - poultry- 170° - poultry

c. If you don’t have a c. If you don’t have a meat thermometer, cut meat thermometer, cut into center of meat & into center of meat & make sure it is NOT pink!make sure it is NOT pink!

2. 2. Keep raw meats separate Keep raw meats separate from ready-to-eat foods from ready-to-eat foods (salads, breads etc.)(salads, breads etc.)

3.3. Wash hands, counter & Wash hands, counter & utensils with hot, soapy utensils with hot, soapy water after touching raw water after touching raw meat.meat.

4.4. Never place cooked meat Never place cooked meat on the same plate that on the same plate that held raw meat.held raw meat.

Prevention (continued)Prevention (continued)5.5. Drink only pasteurized Drink only pasteurized

milk and juice. milk and juice. - Products that have - Products that have been pasteurized…been pasteurized…a. Will say a. Will say “pasteurized” on the “pasteurized” on the labellabelb. May be sold at b. May be sold at room temperatureroom temperature

6.6. Wash fruits & Wash fruits & vegetables well (dry vegetables well (dry with paper towel).with paper towel).

7.7. Wash hands after Wash hands after using restroom or using restroom or changing diapers to changing diapers to reduce risk of reduce risk of spreading infection.spreading infection.

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