1. Infectious Diseases & The Immune System

2. What is infectious disease
Any disease that is caused by an agent/pathogen (virus, bacteria, etc.) that can pass from one living thing to another. If it’s contagious, it can be passed directly from one person to another.
Patho=disease, gen=producer
Disease=any condition that interferes with proper functioning of the body & mind

3. Infections Spread By…
INDIRECT CONTACT
DIRECT CONTACT

4. WHAT ARE SOME THINGS YOU CAN DO TO STOP THE SPREAD OF COMMUNICABLE DISEASES?

6. Is it Viral or Bacterial
Common Bacterial Infections
Common Viral Infections
Bronchitis
Pneumonia
Pink Eye
Tuberculosis
Sinusitis
Strep Throat
Meningitis
Cold
Flu
Hepatitis
Mono
Pneumonia, Bronchitis
Pink eye
Meningitis

8. Treatment for Bacterial Infections
(Strep, pink eye, pneumonia, sinusitis, etc.) – antibiotics

9. Viral Infections
TREATMENT:
There is no treatment once you are infected with a virus.
You can prevent however…
Vaccines are available for “some” viruses
Prevention is the key
Small particles that consists of genetic material. Viruses can not reproduce on their own, but need a “host” cell.

10. How are bacterial infections different from viral infections?

11. YOUR BODY’S DEFENSE SYSTEM…

13. WHAT ARE SIGNS & SYMPTOMS OF INFECTION…

14. PREVENTION:
What are some other ways to prevent getting sick?

15. What is the function of the immune system?
What is a contagious period?

16. IMMUNE SYSTEM RESPONSE TO AN INVADING GERM/VIRUS
Osmosis jones clip (3)
Flu virus (5 min.)
Immune System (23 min.)

17. CONCEPT MAPPING
Link the following vocabulary words to illustrate how the body defends itself against infectious diseases.
T cells, virus-infected cells, macrophages, B cells, antibodies, immune system, physical barriers, skin, defense system, tears, saliva