Mention the importance of Recombinant-DNA technology in terms of Vaccination?
Recombinant $DNA$ technology has allowed the production of antigenic polypeptides of pathogen in bacteria or yeast.
Vaccines produced using this approach allow large scale production and hence availability for immunization, eg.,hepatitis $B$ vaccine is produced from yeast.
What is interferon
Discribe the Innate immunity.
Immunity tolerance developed by
Antibodies are produced by
Lymph glands and nodes help to