Controlling Infectious Diseases

Biology Infectious Diseases

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  • cause infectious disease
  • some bacteria and viruses are pathogens
  • they reproduce inside the body, producing toxins which make us ill
  • Semmelweiss came up with cleanliness in hospitals to prevent spread of infection
  • long time before ideas were taken seriously
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Defence Mechanisms

  • white blood cells do three things to help us protect ourselves
  • can destroy pathogens
  • produce antibodies to help destroy particular pathogens
  • produce anti toxins to neutralise the toxins that pathogens produce
  • best to stop pathogens getting into your body in the first place
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