an overview of history, evolution, and manufacturing of various generations of vaccines

Vaccination has had great success in history of medicine with both infectious and noninfectious diseases listed in the realm of vaccines. the significant decrease in deaths from infectious and noninfectious diseases by development of vaccines has had a huge impact on the world health. since the 20th century, for preventive and treatment purposes, there has been an emergence of new and diverse range of vaccines in medicine. also, there are ongoing extensive efforts to increase the efficiency and performance of vaccines and reduce the risks, which are associated with humans. despite of the development of advanced and effective vaccines in the recent decades, vaccines should be presented with different mechanisms to prevent epidemic and pandemic diseases. vaccination has received the greatest attention in military aspects and several vaccines have been developed. therefore, it seems that the study of different types and generations of vaccines, understanding their evolution, and production and development of new and modern vaccine is essential.