1. WHAT ARE GERMS?
Germs are tiny living things that make you sick.

2. MOST GERMS ARE MICROSCOPIC
That means that they are so small you must have a

microscope to see them
Some examples of germs are:

Bacteria

Viruses

Fungi

Protozoa

Worms


3. BACTERIA
Bacteria are very simple, one-celled organisms that

live almost anywhere.
 Some bacteria are helpful like the kind that makes
yogurt. Other bacteria are harmful and can make
you sick.

4. PICTURES OF BACTERIA AND THE DISEASES
THEY CAUSE:
Food Poisoning
Strep Throat

5. VIRUSES
Viruses are even smaller than bacteria, most are

harmful and make you sick.
 They must live inside another cell to survive. The
cell that the virus lives in is called a host cell.
 Most viruses can not live outside their host cell.

6. PICTURES OF VIRUSES AND THE DISEASES
THEY CAUSE
Flu Virus Cold Virus

7. FUNGI
Are multi-celled organisms that look like plants.

 They can not make their own food like a plant can.
 They like to live in cool, moist and dark places.

8. PICTURES OF FUNGI AND THE DISEASES
THEY CAUSE
Thrush-throat infection
Athlete’s Foot

9. PROTOZOA
Are single –celled organisms that live in water.

 They are very small and sometimes make you sick.

10. PICTURES OF PROTOZOA AND THE DISEASES
THEY CAUSE
Amoeba-causes an upset
Malaria-carried by a stomach
mosquito and makes
people very sick

11. WORMS
Some worms are parasitic which means it is

harmful to it’s host.

12. PICTURES OF PARASITIC WORMS
Pinworm

13. PICTURES OF ILLNESSES CAUSED BY GERMS
Small Pox
Strep Throat
Chicken Pox
Hookworm

14. Jaundice from Hepatitis
MORE PICTURES
Thrush
Mumps
Measles

15. WAYS TO PREVENT GETTING SICK
Wash your hands

 Eat a balanced meal
 Stay away from sick people
 Get plenty of rest
 Exercise
 Immunizations