Write the names of causal organisms of the following:
(a) Typhoid (b) Pneumonia (c) Elephantiasis (Filariasis) (d) Amoebiasis

Explanation

### Step-by-Step Solution:

1. **Identify the Disease**: The first step is to look at the diseases mentioned in the question: Typhoid, Pneumonia, Elephantiasis (Filariasis), and Amoebiasis.

2. **Causative Organism for Typhoid**:
- Typhoid is caused by a bacterium.
- The specific organism responsible for Typhoid is **Salmonella typhi**.

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