| A | B |
| Communicable Disease | A disease passed from person to person. It is caused by pathogens like colds, influenza, and herpes. |
| Pathogens | Agents that cause communicable diseases. They are very small and harm the body in different ways. |
| Viruses | Invade body cell and multiply inside them killing the cell. |
| Examples of a virus | Measles & influenza |
| Bacteria | Produces poisonous toxins and can damage or kill cells |
| Example of a bacteria | Strep throat |
| Fungi | It attacks cells and destroys them |
| Example of a fungi | Ring worm |
| Protozoa | Invade body cells. They multiply inside, damaging and killing the cells |
| Example of a protozoa | sleeping sickness |
| How are communicable diseases spread? | *By direct or indirect contact with an infected person * Coughing and sneezing * Contaminated water & food * By animals and insects |
| Infectious Mononucleosis | Spread through contact with infected person's saliva. Symptoms include sore throat, fever, and fatique |
| Hepatitis | Disease that damages the liver. Symptoms include fatique, vomiting. loss of appetite, and yellowing of skin and eyes. |
| What are the 2 types of hepatitis? | Type A & Type B |
| Type A Hepatitis | It is spread by eating or drinking contaminated food or water |
| Type B Hepatitis | It is spread through blood transfusions and contact with other body fluids |
| Tetanus | Serious bacteria infection that produces severe painful muscle contractions. |
| STI | Sexually Transmitted Infections. They are spread from person to person through sexual contact |
| Some examples of STIs | Gonorrhea, chlamydia, syphilis, and herpes symplex 2 |
| How to keep yourself well | *take care of your body * use vaccines *exercise regularly *good nutrition *keep clean |