Human body develops the ability to fight infection by immunization.

Answer

### Step-by-Step Solution:

1. **Understanding the Statement**: The statement claims that the human body develops the ability to fight infections through immunization. We need to determine if this statement is true or false.

2. **Defining Immunization**: Immunization is a process that helps the body build immunity against specific diseases. It often involves the administration of vaccines.

3. **Role of Vaccines**: Vaccines contain weakened or inactive parts of a particular organism (like a virus or bacteria) that causes the disease. When introduced into the body, they stimulate the immune system to recognize and fight the actual pathogen if encountered in the future.

4. **Examples of Immunization**: A common example of immunization is the COVID-19 vaccine, such as Covaxin, which helps the body develop immunity against the coronavirus.

5. **Conclusion**: Since immunization indeed helps the human body develop the ability to fight infections, the statement is true.

### Final Answer:
The statement is true; the human body develops the ability to fight infections through immunization.

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