Chemistry, asked by rahejadhruv156, 1 year ago

Define vaccination how does vaccination protect from diseas

Answers

Answered by Mehul704
1
Vaccination is the introduction of any kind of dead/weak germs into a body of a living being to develop immunity against a specific antigen.
Now,how vaccination help ?
See,Like if you have got chicken pox. Then the body immunity system will think which kind of disease has entered and it starts to prepare a antibody to fight chicken pox. It will take 14-21 days to prepare the antibody. And when the chicken pox will be healed then it will never happen again because u have a antibody to fight with that disease.
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Answered by Anonymous
1
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Vaccination➫ Antigenic material to stimulate an individual's immune system to develop adaptive immunity to a pathogen.

Vaccine➫ A substance containing a harmless form of the germs that cause a particular disease.

♦ It can prevent or ameliorate infectious disease.

♦ It is a biological preparation that improves immunity to a particular disease.

♦ The acellular vaccine uses selected antigens of the pertussis pathogen to induce immunity.

➧ Types 0f Vaccines are:-
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❱ Live-attenuated vaccines

❱ Inactivated vaccines

❱ Toxoid vaccines

❱ Subunit, Recombinant, Polysaccharide & Conjugate vaccines.

➧ Benefits 0f Vaccines are:-
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❱ It helps to prevent disabilities like - blindness & paralysis.

❱ It protects children from serious illness & complications of vaccines preventable diseases.

❱ They prevent diseases that can be dangerous or even deadly.

❱ They prepare the body to fight disease without exposing it to disease symptoms. 

➧ How does Vaccines works:-
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A vaccine works by training the immune system to recognize & combat pathogens - viruses or bacteria.

To do this, certain molecules from the pathogen must be introduced into the body to trigger an immune response.

These molecules are called antigens

➧ The most common and serious vaccine preventable disease tracked by the World Health Organization are:-
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❱ Diphtheria
❱ Measles
❱ Mumps
❱ Rubella
❱ Tetanus
❱ Hepatitis B
❱ Mertussis
❱ Meningitis
❱ Tuberculosis
❱ Yellow Fever
❱ Poliomyelitis

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