The disease not transmitted through contaminated water

Options

A. Typhoid
B. Cholera
C. Amoebiasis
D. Hepatitis B

Answer

To determine which disease is not transmitted through contaminated water, we will analyze each option provided in the question.

### Step-by-Step Solution:

1. **Identify the diseases listed in the options:**
- Typhoid
- Cholera
- Amoebiasis
- Hepatitis B

2. **Analyze Typhoid:**
- Typhoid fever is caused by the bacterium *Salmonella enterica* and is contracted through the ingestion of contaminated water.
- **Conclusion:** Typhoid is transmitted through contaminated water.

3. **Analyze Cholera:**
- Cholera is a bacterial disease caused by *Vibrio cholerae*, and it spreads primarily through contaminated water.
- **Conclusion:** Cholera is transmitted through contaminated water.

4. **Analyze Amoebiasis:**
- Amoebiasis is an infection caused by the parasite *Entamoeba histolytica*. It is common in areas with untreated water and spreads through drinking or eating food washed in contaminated water.
- **Conclusion:** Amoebiasis is transmitted through contaminated water.

5. **Analyze Hepatitis B:**
- Hepatitis B is caused by the Hepatitis B virus and is primarily spread through infected blood, sexual contact, or other body fluids. It is not transmitted through contaminated water.
- **Conclusion:** Hepatitis B is NOT transmitted through contaminated water.

6. **Final Answer:**
- The disease that is not transmitted through contaminated water is **Hepatitis B**.