Principle of Immunisation

The video tutorial explains the concepts of immunity and immune response, detailing how the body defends against pathogens through the production of antibodies and memory cells. It distinguishes between natural and artificial immunity, highlighting the role of vaccines in preventing diseases without causing illness. The tutorial also covers the history of vaccination, starting with Edward Jenner's smallpox vaccine, and discusses the availability of vaccines for various diseases, including combined vaccines like DPT. It concludes with an overview of immunization schedules for children.

What is the significance of memory cells in the immune system?

How do vaccines help in developing immunity without causing disease?

Who pioneered vaccination and what was the first vaccine developed?