Describe the principle behind vaccination? In easy language
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A vaccine is a substance that helps protect against certain diseases.
Vaccines contain a dead or weakened version of a microbe. It helps your immune system recognize and destroy the living microbe during a future infection.
The main principle of vaccination is the proactive (acting) induction of a protective immune response by mimicking the natural interaction of an infectious pathogen (bacteria, viruses, etc.)
Their are also some other principal behind vaccination and they are :
- Vaccine-preventable diseases haven't gone away. "
- Vaccines will help keep you healthy.
- Vaccines are as important to your overall health as diet and exercise.
- Vaccination can mean the difference between life and death.
- Vaccines are safe.
- Vaccines won't give you the disease they are designed to prevent.
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