An attenuated vaccine (or a live attenuated vaccine, LAV) is a vaccine created by reducing the virulence of a pathogen, but still keeping it viable (or "live").

DNA, also known as deoxyribonucleic acid, is a molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms and many viruses.

Immunization, or immunisation, is the process by which an individual's immune system becomes fortified against an infectious agent (known as the immunogen).

An inactivated vaccine (or killed vaccine) is a vaccine consisting of virus particles, bacteria, or other pathogens that have been grown in culture and then killed to destroy disease-producing capacity.

Inoculation, a method of preventing infectious diseases, is the introduction of a pathogen or its antigens into a living organism to stimulate an immune response and develop immunity against the specific disease.

Louis Pasteur (1822-1895) was a French chemist and microbiologist renowned for his groundbreaking discoveries in the field of infection control and vaccination.

Rabies is a viral disease that affects the nervous system and is typically transmitted through the bite or scratch of an infected animal.