Entamoeba histolytica is transmitted through

Options

A. Insect bite
B. Sweat
C. Food and water contamination
D. Bird droppings

Answer

**Step-by-Step Solution:**

1. **Identify the Organism**: The question asks about Entamoeba histolytica, which is a protozoan parasite.

2. **Understand the Disease**: Entamoeba histolytica causes a disease known as amoebiasis, which is also referred to as amoebic dysentery.

3. **Determine the Mode of Transmission**: The primary mode of transmission for Entamoeba histolytica is through contaminated food and water.

4. **Source of Contamination**: The contamination occurs when food and water are exposed to feces that contain the cysts (or eggs) of the Entamoeba histolytica parasite. This often happens due to improper disposal of human waste.

5. **Consequences of Contamination**: When a healthy person consumes food or water contaminated with these cysts, they can become infected and develop amoebiasis.

6. **Summary of Transmission**: In summary, Entamoeba histolytica is transmitted through the ingestion of food and water that have been contaminated with feces containing the cysts of the parasite.

---