10.1.5

Cholera

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Cholera

Cholera is a disease caused by the bacteria Vibrio cholerae. It is spread through poor sanitation.

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Pathogen

  • Vibrio cholerae is a bacteria that infects the small intestine.
  • It produces toxins and causes watery diarrhea. It can be fatal if untreated due to excessive fluid loss.
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Treatment

  • Fluid & electrolyte replacement is important to prevent death in individuals with cholera.
  • As bacteria causes cholera, antibiotics are an effective treatment for cholera.
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Transmission

  • Vibrio cholerae is transmitted through food or water contaminated with faeces. This may be from poor sanitation or poor personal hygiene.
    • This transmission route is called the faecal-oral route.
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Prevention

  • Improved sanitation & hygiene is sufficient to prevent the spread of cholera.
  • Good water sanitation means cholera occurs rarely in developed countries.

Jump to other topics

1Cell Structure

2Biological Molecules

3Enzymes

4Cell Membranes & Transport

5The Mitotic Cell Cycle

6Nucleic Acids & Protein Synthesis

7Transport in Plants

8Transport in Mammals

9Gas Exchange

10Infectious Diseases

11Immunity

12Energy & Respiration (A2 Only)

13Photosynthesis (A2 Only)

14Homeostasis (A2 Only)

15Control & Coordination (A2 Only)

16Inherited Change (A2 Only)

17Selection & Evolution (A2 Only)

18Classification & Conservation (A2 Only)

19Genetic Technology (A2 Only)

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