DIARRHEAL
DISEASES NOTES BY
ELIASPARAMEDIC.
,• The common feature with these diseases is that the causative
organisms are excreted in the stools of infected persons.
• The portal of entry for these diseases is the mouth
– The causative organisms have to pass through the environment from the
feces of an infected person to the gastro-intestinal tract of a susceptible
person
• Food takes a central position;
– it can be directly or indirectly contaminated via polluted water, dirty hand
contaminated soil, or flies.
,• Oral fecal diseases may be grouped into:
• Diseases transmitted by feces in water
• Diseases transmitted by feces in soil
• Diseases transmitted by direct contact with feces
, Basic definitions related to Diarrhea
diseases
• Contamination: The presence of an infectious agent on a body
surface, on or in clothes, beddings, surgical instruments or
dressings, or other articles or substances including water and foo
• Host: A person or an animal that affords subsistence or lodgemen
to an infectious agent under natural conditions.
• An animal or an organism,or human being that harbours an
infectious agent or disease
• Vector: An insect or any living carrier that transports an infectious
agent from an infected individual or its wastes to a susceptible
individual or its food or immediate surroundings
DISEASES NOTES BY
ELIASPARAMEDIC.
,• The common feature with these diseases is that the causative
organisms are excreted in the stools of infected persons.
• The portal of entry for these diseases is the mouth
– The causative organisms have to pass through the environment from the
feces of an infected person to the gastro-intestinal tract of a susceptible
person
• Food takes a central position;
– it can be directly or indirectly contaminated via polluted water, dirty hand
contaminated soil, or flies.
,• Oral fecal diseases may be grouped into:
• Diseases transmitted by feces in water
• Diseases transmitted by feces in soil
• Diseases transmitted by direct contact with feces
, Basic definitions related to Diarrhea
diseases
• Contamination: The presence of an infectious agent on a body
surface, on or in clothes, beddings, surgical instruments or
dressings, or other articles or substances including water and foo
• Host: A person or an animal that affords subsistence or lodgemen
to an infectious agent under natural conditions.
• An animal or an organism,or human being that harbours an
infectious agent or disease
• Vector: An insect or any living carrier that transports an infectious
agent from an infected individual or its wastes to a susceptible
individual or its food or immediate surroundings
