Biology, asked by madhurkannamwar1, 1 year ago

collect information about the vaccines that are given to children and make a note on it

Answers

Answered by Manjula29
2
"WHO" initiated the Expanded Program on Immunization (EPI) in May 1974 with the objective to vaccinate children throughout the world.Ten years later, in 1984, the WHO established a standardizedvaccination schedule for the original EPI vaccines: Bacillus Calmette-Guérin (BCG), diphtheria-tetanus-pertussis (DTP), oralpolio, and measles. Increased knowledge of the immunologic factors of disease led to new vaccines being developed and added to the EPI’s list of recommended vaccines: Hepatitis B (HepB), yellow fever in countries endemic for the disease, and Haemophilus influenzae meningitis (Hib) conjugate vaccine in countries with high burden of disease.
Answered by Anonymous
2
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Vaccine➫ A substance containing a harmless form of the germs that cause a particular disease.

Ex:- SmallPox

Vaccination➫ Antigenic material to stimulate an individual's immune system to develop adaptive immunity to a pathogen.

♦ 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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