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What is immunisation?...

What is immunisation?

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**Step-by-Step Text Solution:** 1. **Definition of Immunization**: Immunization is a process that helps to protect the body from infectious diseases. 2. **Role of Microorganisms**: When harmful microorganisms (like bacteria or viruses) enter the body, they can cause infections and illnesses. 3. **Introduction of Vaccines**: To combat these harmful microorganisms, the body is given a vaccine. Vaccines can come in various forms, such as pills, drops, or injections. ...
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