Disease control or prevention requires the induction of long-term protection. Long-term immunity is granted by the maintenance of antigen specific immune effectors. Vaccine-induced immune effectors are generally antibodies which are produced by B-lymphocytes and are capable of binding specifically to a pathogen. There are different kinds of vaccines which provides protection against some fatal diseases like Polio, Rabies, Flu, Tetanus, Hepatitis A, Small pox, Diptheria.
- Subunit, Recombinant vaccines