Vaccination is a part of .

Options

A. Treatment
B. Passive immunisation
C. Diagonosis
D. Prophylaxis

Answer

**Step-by-Step Solution:**

1. **Understanding Vaccination**: Vaccination is a method used to enhance the immune system's ability to fight off diseases. It involves administering a vaccine, which is a weakened or inactive form of a pathogen, to stimulate an immune response.

2. **Types of Immunization**: There are two main types of immunization: active and passive. Active immunization occurs when the body produces its own antibodies in response to a vaccine, while passive immunization involves the direct transfer of antibodies from another source.

3. **Role of Vaccination**: Vaccination is primarily a preventive measure. It is designed to prepare the immune system to recognize and combat specific pathogens before they can cause illness.

4. **Prophylaxis Definition**: Prophylaxis refers to measures taken to prevent disease. This includes vaccinations, which are administered to prevent infections and diseases from occurring in the first place.

5. **Conclusion**: Given that vaccination is aimed at preventing diseases and enhancing the immune response, it is categorized under prophylaxis.

**Final Answer**: Vaccination is a part of **prophylaxis**.

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