what is the basic principle of vaccination
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A live or inactivated substance e.g. protein,polysaccharide capable of producing an immune response.
vaccine helps to protect from infectious diseases.
vaccine is very specific to single organism.
There are two basic types of vaccines ,
1. live attenuated
2.inactivated
A vaccine is made from very small amounts of weak or dead germs that can cause diseases for example; viruses , bacteria , toxins . It prepares your body to fight the the disease faster and more effectively so you won't get sick .
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