Vaccines are defined as bio pharmacy that provides active acquired immunity to a particular disease, usually resembling disease-causing microorganisms made from microorganisms, their toxins, or one of their surfaces. Proteins that contain active substances.
The vaccine has two main effects.
a)Vaccines protect people from illness.
b) Transmission of infection is prevented if the population has adequately immunized individuals. This is called herd immunity.
HPV vaccines
Novel development in drug delivery system
Therapeutic vaccination of auto immune diseases
Cancer vaccines
Edible vaccines