Physical and Health Education J.S.S 3 First Term

Week 9

Pathogens diseases and their prevention II

Performance objectives:

Students should be able to:

1. List the disease factors and causative agents

2. Explain the various preventive and management measures

Content

A. Factors and causative agents

1. Viruses that invade and multiply inside healthy cells.

2. Bacteria or small, single-celled organisms capable of causing disease.

3. Fungi, which include many different kinds of fungus.

4. Parasites, which are organisms that live inside host bodies causing sickness.

 In many cases, direct contact with a sick individual, either by skin-to-skin contact (including sexual contact) or by touching something another person touches, transmits the disease into a new host. Contact with body fluids, such as blood.... View More