Infectious Diseases
Transmission and Prevention
Background Information
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1/5 of the population attends or
works in schools
Viruses and bacteria can live from 20
minutes to 2 hours on surfaces such
as cafeteria tables, doorknobs and
desks
Nearly 22 million days of school are
lost annually due to the common cold
Background Information
Infectious Disease
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To educate our 8th grade students
on how to avoid contracting an
infectious disease and how to
prevent the spread of them
Informing our students how
infectious disease are spread is
important our youth and schools
Objectives
By the end of the lesson students will
be able to:
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List four ways infectious diseases are
spread
Have a feeling of empowerment by
having the knowledge and skills to
prevent contracting and spreading an
infectious disease
Objectives cont’d
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Differentiate between bacteria and
virus
Differentiate between innate and
adaptive immune system
Define: bacteria, virus, parasite,
pathogen, immunity, rickettsias
Cause of Infectious Disease
Host
Agent
Environment
Causes of Infectious Disease
Pathogens
(Parasite)
Bacteria
Protozoan
Virus
Rickettsias
Transmission
Class Activity
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This activity is designed to help you
understand how easily infectious
diseases are spread through direct
contact
Chain of Infection
Immunity
Innate Immune
- nonspecific
resistance
-
-
physical
chemical
body cells
inflammatory
response
Adaptive Immune
- specific
resistance
-
lymphocytes
- B cells
- T cells
Immunization Data
Prevention
Passive
Immunization
o Immediate, shortlived protection
against specific
disease causing
pathogens
Active
Immunization
o Vaccination, cause
the body to
produce antibodies
against pathogens
Additional Methods
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Personal hygiene
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Taking a shower
Brushing your teeth
Washing your hair
Avoid sharing eating and drinking
utensils
Additional Methods
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Washing your Hands
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Hand sanitizer
Using Antibacterial soap
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Example: Dial
Proper Hand Washing
Additional Methods
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Regular Exercise
Good Nutrition
Adequate Sleep
Proper medical treatment
Store and prepare food properly
Resources
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Additional Information on Infectious
Diseases please visit:
 Centers for Disease Control and
Prevention
 Local Health Department
 World Health Organization
 Primary Physician
Take Home Message
Jeopardy Game Instructions
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Virus vs. Bacteria
Each team select a spokesperson
Rules: Each team will have one
chance to answer a question if you
get it wrong it automatically goes to
the opponent
Answer all questions: “What is”
Infectious Disease Jeopardy
Causes of
Infectious
Disease
Preventing
Infectious
Disease
“Real Life”
Infectious
Disease
How are
Infectious
Diseases Spread?
Innate vs.
Adaptive
Immune System
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Final Jeopardy
$100 Question
Every infectious disease is caused by one
of several types of small microscopic
organisms known as ?
$100 Answer
What are Pathogens
$200 Question
Microorganism that can live almost
anywhere and are abundant in the
air, soil, and water are known as?
$200 Answer
What is Bacteria
$300 Question
The smallest known type of
infectious diseases?
$300 Answer
What is a virus?
$400 Question
How is Rickettsias passed onto
human and animal hosts?
$400 Answer
What is through bites or feces deposits
on the skin.
$500 Question
Disease causing protozoan's are most
common in areas that are?
$500 Answer
What is in tropical areas that have
poor sanitation.
$100 Question
The spread of infectious disease is
known as ?
$100 Answer
What is Transmission
$200 Question
What are four ways transmission of
An infectious disease can occur?
$200 Answer
What is direct contact with an
infected person, animal,
contaminated object, or in the
environment.
$300 Question
How are the common cold and
influenza indirectly spread?
$300 Answer
What is inhaled lung
droplets that are exhaled
through an infected
person exhaling,
coughing, or sneezing.
$400 Question
How are Malaria and Encephalitis
transmitted to humans?
$400 Answer
What is mosquito bites
$500 Question
Undercooked pork can cause
someone to be infected with?
$500 Answer
What is Salmonella
$100 Question
If the innate immune system is you body’s
inborn defenses then your adaptive immune
system is your body’s?
$100 Answer
What is your body’s specific resistance
$200 Question
What are three nonspecific
resistance physical barriers ?
$200 Answer
What is skin, mucous membranes
and cilia.
$300 Question
Enzymes in tears, salvia and acidic
digestive juices are all examples of
what type of nonspecific resistance
barrier?
$300 Answer
What is chemical barriers
$400 Question
If pathogens break through the body’s
outermost barriers, your body goes into
what is known as “red alert” this is also
known as?
$400 Answer
What is the inflammatory response
$500 Question
What are the two types of lymphocytes in
specific resistance called?
$500 Answer
What are T and B Lymphocytes
$100 Question
If passive immunity is only temporary
then active immunity is?
$100 Answer
What is a lifetime
$200 Question
Active immunization is also known
as?
$200 Answer
What is vaccination
$300 Question
Vaccines that are made from weakened
viruses are called?
$300 Answer
What are live-virus vaccines
$400 Question
Scientists discovered they can make a
vaccine from treating bacteria _____?
$400 Answer
What is toxins
$500 Question
The most common type of prevention
method we use today to prevent the
spread of bacteria and viruses is?
$500 Answer
What is hand washing
$100 Question
True or False: Most countries have
inspectors for public facilities to
checking equipment in restaurants,
sanitation procedures and hygiene
methods?
$100 Answer
What is True
$200 Question
Name 3 ways in which building up
one’s immunity can prevent the
common cold.
$200 Answer
What is getting plenty of rest, drinking
plenty of fluids, maintaining proper
nutrition, controlling stress levels, not
smoking, or regular physical activity
$300 Question
True or False it is okay to share
eating utensils from a friend or family
member even if they are not sick?
$300 Answer
What is False
$400 Question
Before students enter kindergarten
they must provide?
$400 Answer
What is up-to-date immunization
$500 Question
It is important to have your pets
treated for ticks and fleas because
these parasites bite animal and human
host and cause?
$500 Answer
What is Rickettsias
Final Jeopardy
This morning you woke up with a
running nose, persistent coughing, and a slight
fever. You are the captain of the volleyball team
and have a volleyball game after school
with one of your toughest opponents. However,
you don’t want to let you teammates down.
What should you do?
Final Jeopardy Answer
What is stay home and rest
and treat your symptoms with
proper nutrition, adequate sleep,
and plenty of fluids.