1. Cough- cold
  2. Pneumonia
  3. Tuberculosis
  4. Cholera
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Option 4 : Cholera

  • Cholera spreads through water
  • The bacterium that causes cholera spreads from one person to another if the water has been contaminated by the faeces of an infected person.
  • It is commonly encountered in poor countries or calamity and war torn areas.
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