Theory:

Cholera:
Causes:
It is a disease that is caused by the bacteria known as Vibriocholera a comma-shaped bacteria.
 
Modes of transmission:
It is a contagious disease that spreads through the consumption of contaminated food and water.
Symptoms:
Vomiting, severe diarrhoea and cramps in legs are some of the symptoms.
 
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Vibrio cholera
 
Prevention and treatment:
  • Practising good hygienic practices such as washing hands before eating.
  • Avoiding the consumption of uncovered food from street vendors.
  • Drinking boiled water.
  • Getting vaccinated against cholera.
  • Washing hands often with soap and safe water.
Typhoid:
It is a disease that is caused by Salmonella typhi a rod-shaped bacteria. It spreads by contaminated food and water.
 
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Salmonella typhi
 
Anorexia, headache, rashes on the abdomen, dysentery and high fever up to \(104°F\), stomach pain are some of the symptoms.
 
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Salmonella typhi and symptoms of typhoid fever
 
Prevention and treatment:
  • Consuming boiled clean water.
  • Disposing the sewage properly.
  • Avoiding the consumption of uncooked food.
  • Getting vaccinated regularly.
Reference:
https://www.flickr.com/photos/sanofi-pasteur/5279772517