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Warm-up. Update your Table of Contents Write your homework – have it stamped Get your “Fungi Assignment” out to be checked. Homework. Research any disease and find out the following: What type of pathogen it is caused by What the symptoms are How can it be treated

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warm up
Warm-up
  • Update your Table of Contents
  • Write your homework – have it stamped
  • Get your “Fungi Assignment” out to be checked
homework
Homework
  • Research any disease and find out the following:
    • What type of pathogen it is caused by
    • What the symptoms are
    • How can it be treated
    • Any other info about it/picture
  • Find out what you have received vaccinations for
pathogens cause disease
Pathogens Cause Disease
  • We will focus on 4 Types of Pathogens:
    • Fungi
    • Bacteria
    • Viruses
    • Parasites
fungi fact review
Fungi Fact Review
  • What would you ask about Fungi on a quiz?
ert everybody reads to
ERT = Everybody Reads To…
  • We will read one paragraph at a time
  • Discuss the answers to the questions
  • Then take notes in the box
pathogens
Pathogens

Pathogen - Anything that can cause disease or harm

  • Also referred to as

microbes or germs

  • Virus, Bacteria &

Parasites are the 3

main types of disease

spreading pathogens

types of diseases
Types of Diseases
  • Non-communicable:
    • Cannot be passed from person to person
    • Can be due to genetics, lifestyle choices, or environmental factors
    • EX: Cancer, ALS, Alzheimer’s, Arthritis, Heart Disease, Diabetes
  • Communicable (Infectious or Contagious):
    • Caused by a Microbe entering body and reproducing – Bacteria, Virus, Parasite
    • Easily spread between individual organisms
    • EX:Cold, Flu, Strep Throat
virus
Virus
  • NOT LIVING – Needs a host to survive and reproduce
  • Since it is not alive, it has NO CELLS
  • Very small
  • Vaccines used to treat
how a virus attacks a cell
How a Virus Attacks a Cell…
  • http://www.youtube.com/watch?v=Rpj0emEGShQ
bacteria
Bacteria
  • Living organisms
  • Unicellular, prokaryotic
  • Larger than viruses, but usually more treatable
  • Antibiotics used to treat
parasites
Parasites
  • Living organisms that need a host to survive – highly adapted to their host
  • Unicellular or multicellular
  • Come in many shapes and sizes
slide17

Maggots in My Head

http://www.youtube.com/watch?v=V2Ac6RYSvo8

  • Tapeworm in My Eye

http://www.youtube.com/watch?v=jVbrXbmPHpo

pathogen foldable
Pathogen Foldable
  • Quickly create a foldable that contains quick reference information for each type of pathogen

USE YOUR PATHOGENS FOLDABLE TO ANSWER THE FOLLOWING ON PAGE 14:

        • How are viruses and bacteria different?
        • How are parasites and viruses similar?
        • Which type of pathogen would you consider most serious and why?
warm up1
Warm-up
  • Update your Table of Contents
  • Write your homework – have it stamped
  • Tape your disease research to the wall around the room – MAKE SURE YOUR NAME IS ON IT!
  • Make sure you have answered the questions on page 14 using your pathogens foldable from last class
what was a pathogen again
What Was A Pathogen Again…?
  • Pathogens are anything that cause disease…they are also referred to as microbes and germs
throw up i mean warm up
Throw Up…I Mean Warm Up

Turn to page 14 and make sure your have answered the following using your pathogens foldable:

  • How are viruses and bacteria different?
  • How are parasites and viruses similar?
  • Which type of pathogen would you consider most serious and why?
pathogen gallery walk
Pathogen Gallery Walk
  • Which disease did you research?
    • Tape your research up around the room so we can review all of the diseases that were researched!
  • What vaccinations have you received?
who figures all of this out
Who Figures All of This Out?
  • An Epidemiologist is a scientist who studies diseases including how they start, spread and how they are treated.
spreading disease

Spreading Disease…

How does it happen…LET’S INVESTIGATE!?

finding patient zero
Finding Patient Zero
  • Each person will receive a test tube and a syringe
  • You will carefully go around the room and trade fluids with 2 other people using the syringe
  • Remember who you trade with and in what order
  • When completed, sit down and write down who you traded with first and second
contagions
Contagions
  • Many pathogens are also said to be contagions
  • Contagions – capable of being spread by direct or indirect contact (in other words…contagious)
contagion clip
Contagion Clip
  • http://www.youtube.com/watch?v=Z7yL5DFbK5A
  • Features Kate Winslet as an epidemiologist trying to trace back to “patient zero”
how do pathogens cause harm
How Do Pathogens Cause Harm?
  • They can change what your cells do
    • Especially viruses and even chemicals

Mutagen – something that actually changes or “mutates” the genetic material of an organism

how do pathogens spread
How do pathogens spread?
  • 4 main ways that pathogens are transferred:
    • Person to person
    • Food and water
    • Environment
    • Animals
people to people
People to People…
  • Carrier – a person who is infected and can infect others but may not show the symptoms of the disease themselves
types of carriers
Types of Carriers

1. Symptomatic:

  • they show symptoms of the disease; they are SICK
  • they are actively spreading disease particles to others while they are sick
  • May be coughing, sneezing, have runny nose
  • EX: Influenza, Chicken Pox, Common Cold

2. Asymptomatic:

  • Does not appear to be sick
  • Can still actively spread disease to others
  • EX: HIV
food and water
Food and Water
  • Contaminated food and water can spread pathogens, below are a few examples:

=

- Infected animals

- Food or water that comes from unsanitary areas or isn’t cleaned

- Eating raw or undercooked food

environments
Environments
  • Moist
    • A lot like water
  • Average temperatures
    • Not too hot or too cold
  • Limited exposure to fresh air
    • More ability to reproduce
  • Sunlight
    • Good for some, bad for others
  • Food sources
    • Sugars or decaying material
animals
Animals
  • Vector – Insects and animals that spread disease to humans
  • EXAMPLES:
    • Fleas – transmit bubonic plague
    • Ticks – transmit Lyme disease
    • Mosquitoes – transmit Malaria
medicine
Medicine
  • Antibiotics – Medicine that prevents the growth and reproduction of bacteria
  • Vaccines – A weak dose of a virus that helps your immune system kill the real virus later
preventing the spread
Preventing the Spread…
  • Eat right, get enough rest, avoid stress
  • Antibacterial soaps and antimicrobial solutions (don’t overuse)
  • Antibiotics (don’t overuse)
  • Get vaccinated
  • Covering our mouths when we cough or sneeze
  • Avoid unnecessary contact with people, animals or objects that could be contaminated!
  • Keep studying diseases and how they adapt and change!
warning outbreak
Warning…Outbreak!
  • Create a warning poster, warning sign, comic, commercial jingle or brochure or any other format you can think of warning your neighborhood about a possible disease outbreak!
  • Things to include:
    • Name: disease (real or fictional)
    • Mugshot: picture
    • Description of suspect: virus, bacteria, parasite?
    • Crimes: how does it attack? how does it spread? symptoms? common victims?
    • How can you prevent being infected?
    • Reward???

Must be informational, but can also be silly!!

warm up2
Warm-up
  • Update your Table of Contents
  • Write your homework – have it stamped
  • Put your Warning…Outbreak! assignment in the basket
recap
Recap
  • Antibiotics treat what type of pathogen? Vaccines?
  • Why do we not want to overuse antibiotics, antibacterial cleaners or antimicrobial solutions?
  • Describe the job of an epidemiologist.
  • Why do you think that diseases that are no longer an issue in the United States are still a problem in other parts of the world?
mythbusters flu fiction
Mythbusters: Flu Fiction
  • How Easily Can Pathogens Really Spread?