Question

Write a short note on vaccination or important of vaccination


Pl help this is my project work

Answer 1

Vaccination is the administration of antigenic material (a vaccine) to stimulate an individual's immune system to develop adaptive immunity to a pathogen. Vaccines can prevent or ameliorate infectious disease. When a sufficiently large percentage of a population has been vaccinated, herd immunity results

Answer 2

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Here the answer

Vaccination belongs to important and effective ways of infectious diseases prevention. Along with securing of drinking water it belongs to the most effective ways of morbidity and mortality decreasing of infectious diseases in the world. That is why majority of countries in the world adopted in second half of the twentieth century immunization programs. Effectiveness of vaccination is unambiguously proven by regression up-to clearance of many diseases preventable by vaccination. Influence of vaccination can be best illustrated on eradication of smallpox in the world. Thanks to vaccination this deadly disease was overcome, in seventies of the last century this disease was the cause of many deaths. In countries with low immunization rate, i.e. with not adequate collective immunity, many vaccination preventable diseases occur.