PHYSICAL AND HEALTH EDUCATION  BASIC SCIENCE AND TECHNOLOGY  THIRD TERM WEEK 9 PRIMARY 4 THEME: PATHOGENS, DISEASES AND THEIR PREVENTION  PREVIOUS LESSON – Spread of Diseases | Ways by Which Diseases are Spread with Specific Examples and Symptoms Primary 4 (Basic 4) Term 3 Week 8 Physical and Health Education   TOPIC – CONCEPT OF