What is vaccination ? Mention its ability?
Answers
Vaccines are like a training course for the immune system. They prepare the body to fight disease without exposing it to disease symptoms.
1) vaccine is the antigen containing material given to acquire either permanenet or temporary immunity agains a specific pathogen or disease.
2)traditionally,vaccines were prepared with the help of pathogens which may be completely or partially killed.
3)however due to this,there were chances of contracting the disease in certain persons.
4)hence as an alternative,scietists have given artificially produced vaccines from it.
5)vaccines produced with the help of biotechnology are more thermostable and remain active for longer duration.for eg vaccines of polio,hepatitis etc.
6)edible vaccines are produced in combination with transgenic potatoes.these potatoes will act against bacteria like Vibrio cholerae and Escherichia coli and consumption of such raw potatoes will generate immunity against cholera and various other disease caused by E.coli.