Pathogens and Infectious Disease

Infectious Disease Part II- Kinds of Pathogens

Key Concepts:

The four major groups of human pathogens are bacteria, viruses, fungi, and protists.

Bacteria

Bacteria are living things made up of just one cell.

Diseases caused by bacteria include step throat and food poisoning

Bacteria

Viruses

Viruses are tiny particles that are much smaller then bacteria.

Diseases caused by viruses include colds and flu.

Fungi

Fungi are living things such as molds.

Diseases caused by fungi include athlete's foot and ringworm.

Protists

Protists are certain living things made up of one or more cells.

One disease caused by protists is malaria.

Malaria is common in warm parts of the world. Common in the Sudan

Multiple Choice

3) Which disease is caused by a virus?

• food poisoning

• flu

• ringworm

Multiple Choice

What pathogen causes strep throat?

• bacteria

• viruses

• protists