Communicable disease

Communicable Diseases:

There are several types of pathogen:

• Pathogens are microorganisms that enter the body and cause disease
• They cause communicable dieseases- diseases that can be easily spread
• Both plants and animals can be infected by pathogens

Bacteria are very small living cells

• Bacteria are very small cells which can reproduce rapidly inside your body
• They can make you feel ill by producing toxins that damage your cells and tissues

Viruses are not cells- they're much smaller

• They are tiny
• They can reproduce rapidly inside your body like bacteria
• They…