9. Cholera:A bacterial disease causing severe diarrhoea and dehydration, usually spread in water. Cholera is fatal if not treated right away.

Symptoms:

One may experience:

Pain areas: in the abdomen

Gastrointestinal: nausea, severe diarrhoea, vomiting, or watery diarrhoea

Whole body: dehydration, lethargy, or water-electrolyte imbalance.

Rarely, shock and seizures may occur in severe cases.