Food-Borne DiseasesThese diseases are carried or transmitted by contaminated food or water. Food HazardsThe hazards can be physical, chemical or biological. Examples of physical hazards: dirt hair metal shavings broken glass bones plastic Examples of chemical hazards: pesticides cleaning chemicals metals Examples of biological hazards: bacteria viruses parasites molds FOOD BORNE-DISEASES

1. Food-Borne Diseases
These diseases are carried or transmittedby
contaminatedfood or water.

2. Food Hazards
• Thehazards can bephysical, chemicalor biological.
Examples of physicalhazards:
• dirt
• hair
• metalshavings
• brokenglass
• bones
• plastic

3. Examples of chemical hazards:
• pesticides
• cleaning chemicals
• metals
Examples of biological hazards:
• bacteria
• viruses
• parasites
• molds

4. FOOD BORNE-DISEASES
DISEASES CAUSE(S) MODE(S) OF
TRANSMISSION
COMMON SIGNS
AND SYMPTOMS
Diarrhea bacteria,
virus and
parasites
Contaminated food or
water
-watery stools at
least three times a
day
-gastrointestinal
Infection
-excessive thirst
-sunken eyeballs
Dysentery
(also known
as bloody
diarrhea)
bacteria Food or water
contaminated with
infected human feces
-stomach cramps
-diarrhea
-fever and chills
-nausea
-vomiting
-fatigue

5. Thyphoid
fever
bacteria Contaminated food or
water
Close contact with
someone who is infected
-sustained
.
high fever
- headache
-weakness
-loss of appetite
- diarrhea
-stomach cramps
Cholera bacteria Eating food or drinking
water contaminated with
human waste infected with
bacteria
-sudden
and frequent
watery stools
- vomiting
- rapid
dehydration
Amoebiasis parasites -sewage is used to enrich
garden or farm soil
-non-treated drinking water
-flies in water supply
-direct hand-to-food
contact during preparation
of meals
- stomach pain
- fatigue
- weight loss
- diarrhea
- fever

6. Food
poisoning
Bacteria,virus,
Parasites,toxi
ns,
contaminatio
ns
- eating food
contaminated
with human waste and
urine of a person with
hepatitis B.
-upset stomach
-stomach cramps
-diarrhea
-fever
-nausea
-vomitting
-dehydration
Hepatitis A Hepatitis
A virus
- contaminated
food or water
- close contact with
someone who is
infected
- fever
- flu-like
symptoms
- withor without
vomiting
- Tireness
or fatigue
- stomach ach
- Dark or
brownish urine

7. Commoncauses of foodand water-borne diseases:
• Unsafe sources of drinkingwater
• Unsafe food handlingand preparationpractices
• Improper disposal ofhumanwaste.