Dum-dum fever is caused by……….and is transmitted by ……….

Options

A. Leishmania donavani,glossina
B. Trypanosoma,glossina
C. Giardia,tsetse fly
D. Leishmania donavani,phleobotomus

Answer

### Step-by-Step Solution:

1. **Identify the Disease**: The question asks about Dum-dum fever, which is also known as Kala Azar. This is an important detail as it helps in understanding the context of the disease.

2. **Determine the Causative Agent**: The causative agent of Dum-dum fever (Kala Azar) is a parasitic organism. From the options provided, we need to identify which one is responsible for causing this fever. The correct answer is **Leishmania donovani**.

3. **Identify the Mode of Transmission**: The question also asks how Dum-dum fever is transmitted. The transcript mentions that it is transmitted by a specific type of fly. The correct answer here is **Phlebotomus**, which is a genus of sand flies.

4. **Combine the Information**: Based on the information gathered, we can conclude that Dum-dum fever is caused by **Leishmania donovani** and is transmitted by **Phlebotomus** (sand fly).

5. **Final Answer**: Therefore, the complete answer to the question is:
- Dum-dum fever is caused by **Leishmania donovani** and is transmitted by **Phlebotomus**.