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Understanding Infectious Diseases: Causes & Prevention

Explore the causes and prevention of infectious diseases in this informative chapter. From bacteria to viruses, learn about different types of infectious agents and how they are transmitted. Discover common infectious diseases and effective prevention methods.

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Understanding Infectious Diseases: Causes & Prevention

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  1. Johanna Adderly Shena Wright Ayana Rhoden Disease Prevention Chapter 28 Lesson 3 9th Grade Level Infectious Diseases

  2. Infectious Disease • Section1: • What causes Infectious Disease? • Section2: • Prevention of Infectious Disease

  3. Section 1

  4. What causes infectious disease? • What are infectious disease? • Different types of Infectious disease • How is it transmitted? • Common infectious Disease

  5. What are Infectious Diseases? A disease resulting from the presence and activity of a pathogenic microbial Agent.

  6. Different types of infectious Disease • Bacteria • Viruses • Rickettsias • Protozoans • Fungi

  7. Bacteria • Single cell microorganism • Can live anywhere • Some bacteria are good for our bodies • Some are poisonous to the human body

  8. Viruses • Smallest know infectious agent • Nonliving • Needs a host to survive • Enters body and makes copies of itself

  9. Protozoans • Single cell organism • Larger than Bacteria • Most are harmless • Thirty different types can cause diseases • Happens where there is poor sanitation

  10. Fungi • Simple organism • Unable to produce their own food • Usually eat dead animals, insects, and leaves • Like in damp and dark surroundings

  11. How are infectious diseases transmitted? • Two modes of Transmission • Direct Contact • Indirect Contact

  12. Direct Contact • Person to person • Kissing • Exchange of body fluids • Animal to person • Being bitten • Handling pet waste

  13. Direct Contact • Mother to child • Breast Feeding • Mother to unborn child (ex:umbilical cord)

  14. Indirect Contact • Droplets and Airborne Particles • Coughing • Sneezing • Vectors and Vehicles • Bites and Stings • Food Contamination

  15. Respiratory Infections Infection of the Nervous System Common Infectious Diseases

  16. Respiratory Infection • Common Cold • Influenza • Tuberculosis

  17. Infection of the Nervous System • Encephalitis • Meningitis • Poliomyelitis • Measles • Hepatitis

  18. Section 2

  19. Prevention of Infectious Disease • Five Modes of Prevention • Proper Method of Hand washing • Attitudes towards Making a lifestyle Change

  20. Five Modes of Prevention • Immunization • Antibiotics • Food Preparation • Practicing Safe Sex • Hand Washing

  21. Immunization • Two Types of Immunization • Passive Immunization • short term affect • Blood contains antibodies

  22. Immunization • Active Immunization (Vaccination) • Vaccine provide immunity • Immediately effective • Last a long time

  23. Antibiotics • Take what is prescribed TO YOU ONLY! • Take them as directed • Don’t stop taking them

  24. Food Preparation • Do’s • Refrigerate food purchased • Wash raw fruits and vegetables • Cook poultry and meat thoroughly • Keep seafood, poultry, and egg separate from fruits

  25. Food Preparation • DON’T • Eat raw eggs • Leave leftovers out for more than 2 hrs

  26. Practice Safe Sex • Abstinence • Using Protection • Getting Tested

  27. Hand Washing Video

  28. Facts About Hand Washing • America aren't washing your hands often enough • According to CDC, hand washing is most important thing you can do to prevent infectious diseases • America has received a “C” for hand washing

  29. Facts About Hand WashingCon’t • 43% says they don’t wash after sneezing or coughing • 32% fail to wash before lunch • 54% don’t wash for 20 seconds

  30. Statistical Graph on Hand Washing

  31. Attitudes towards making a lifestyle change • Being Lazy • “Nothing will happen to me” • “Out of sight out of mind” • “When it happens, I will deal with it”

  32. Ouestions

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