Widal test is carried out to test

Options

A. Typhoid fever
B. Malaria
C. Diabetes mellitus
D. HIV

Answer

**Step-by-Step Text Solution:**

1. **Understanding the Widal Test**: The Widal test is a serological test used to diagnose typhoid fever. It detects the presence of specific antibodies in the blood against the antigens of the causative organism.

2. **Causative Organism**: The pathogen responsible for typhoid fever is *Salmonella typhi*, which is a gram-negative bacterium.

3. **Mode of Transmission**: Typhoid fever is primarily transmitted through contaminated food and water. This means that consuming food or water that has been contaminated with the bacteria can lead to infection.

4. **Symptoms of Typhoid Fever**: Common symptoms associated with typhoid fever include:
- Sustained high fever
- Weakness
- Stomach pain
- Constipation
- Headache

5. **Confirmation of Diagnosis**: The diagnosis of typhoid fever is confirmed through the Widal test, which checks for the presence of specific antibodies against *Salmonella typhi* in the patient's serum.

**Final Answer**: The Widal test is carried out to test for typhoid fever.

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