You are aware of Polio Eradication Programme in your city. Children are vaccinated because

Options

A. vaccination kills the polio causing microorganisms
B. prevents the entry of polio causing organisms
C. It creates immunity in the body
D. All of the above.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Polio Eradication Program**: The Polio Eradication Program aims to eliminate polio, a highly infectious viral disease that primarily affects children under the age of five. Vaccination is a key strategy in this program.

2. **Purpose of Vaccination**: Children are vaccinated to protect them from the polio virus. The vaccine contains either killed or weakened forms of the virus, which helps the body recognize and fight the virus if exposed in the future.

3. **Mechanism of Vaccination**: When the vaccine is administered, it acts as an antigen. This means it stimulates the immune system to produce antibodies without causing the disease. Antibodies are proteins that help the body fight infections.

4. **Building Immunity**: The primary goal of vaccination is to boost the immune system. Once vaccinated, if the child is later exposed to the actual polio virus, their immune system is prepared to respond quickly and effectively, preventing the disease from developing.

5. **Conclusion**: Thus, children are vaccinated in the Polio Eradication Program to increase their immunity against the polio virus, ensuring they remain healthy and free from the disease.

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