Communicable Diseases

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  • Communicable (Infectious) Diseases (
    • Explain how the spread of disease can be reduced or prevented.
    • Bacteria can produce poisons (toxins) that damage tissues and make us feel ill.
    • Pathogens may be viruses, bacteria, protists or fungi that can infect plants or animals.
    • Pathogens are microorganisms that cause infectious disease.
    • Viruses live and reproduce inside body cells, which causes damage to the cell
    • Explain how :Pathogens can be spread by direct contact, by water or air.


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