Download Communicable Diseases

Communicable Diseases
The stuff you don’t want to share
Communicable Diseases
A disease that is spread from one living
thing to another through the environment.
Causes
Pathogen- an organism that causes
disease.
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Viruses
Bacteria
Fungi
Protozoans (single cell, more complex than
bacteria)
Rickettsias (similar to bacteria)
Transmission
Direct contact- contact with infected
person, animal or something in the
environment.
Indirect contact- contaminated objects,
vectors (such as a tick), or through water
and food that has been contaminated.
Prevention
Wash your hands!
Safe food preparation and handling food
properly.
Take care of your body, especially your immune
system.
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Sensible eating
Plenty of rest
Exercise
Avoid substance abuse
Avoid sexual contact
Update your immunizations
Prevention
Immunity- being protected against a
particular disease
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Active immunity (exposed to antigens)
Passive immunity (antibodies from another
person or animal)
Vaccine- preparation of a dead or
weakened pathogen that is introduced into
the body to stimulate an immune response