1. Communicable Diseases

2. A disease that can be passed from a person to another person, animal, or object

3. Causes of Communicable Diseases
Pathogens
Tiny organisms that cause communicable diseases
Infections
A condition that occurs when pathogens enter the body, multiply, and damage cells

4. Causes of Communicable Diseases
Bacteria
Tiny one- celled organisms that live nearly everywhere
Viruses
The smallest disease causing organism

5. Viruses Flu Colds Hepatitis Measles Mumps Chicken Pox Bacteria
Some live inside and on the human body
Some necessary for normal function
Strep Throat
Tooth Decay
Bacterial Pneumonia
Viruses
Flu
Colds
Hepatitis
Measles
Mumps
Chicken Pox

6. Other Types of Pathogens
Fungi
Primitive life forms that feed on organic material
Protozoa
Single celled organisms that are usually harmless but that can cause certain diseases
Ricketsias
Disease causing bacteria that resemble bacteria but multiply like viruses

9. African Sleeping Sickness African sleeping sickness is a disease caused by the protozoa, which are carried by the tsetse fly and are transmitted to humans through tsetse fly bites. This disease is fairly damaging to the human body and can cause serious illness.

10. Malaria Malaria is a very common disease in some countries and is spread through mosquito bites of mosquitoes that have been infected by one of the many different malaria-causing parasites.

11. Rocky Mountain spotted fever (RMSF) Rickettsia rickettsii is found in the Americas and is transmitted to humans through the bite of infected ticks. Rocky Mountain spotted fever can cause serious damage to internal organs, such as your kidneys and heart.

12. How Pathogens are Spread
Direct contact with an infected Person
Kissing, sexual contact
Indirect Contact with an Infected Person
Air, forks, cups
Contact with a Vector
An organism, such as an insect, that transmits a pathogen

13. Drinking
Eating
Improperly stored foods
Under cooked meat
Receive infected blood

14. Prevention WASH HANDS Food Prep Clean Utensils and surfaces
Don't Share
Outdoors
Clothes, Insect Repellent, Inspect
Cover Mouth/Nose
Stay Home