On this day in 1970, Sam Sheppard, a doctor convicted of murdering his pregnant wife in a trial that caused a media frenzy in the 1950s, dies of liver failure. After a decade in prison, Sheppard was released following a re-trial.
Official Immunity Law and Legal Definition. Official immunity is a discretionary immunity from personal liability that is granted to public officers for tortious acts and omissions. It is a personal immunity accorded to a public official from liability to anyone injured by actions that are the consequence of exerting official authority.
Active immunity. Definition. noun. A type of immunity or resistance developed in an organism by its own production of antibodies in response to an exposure to an antigen, a pathogen or to a vaccine.Supplement.ctive immunity is generally long-term and can be acquired by infection followed by B cells and T cells activation, or artificially acquired by vaccines, in a process called immunization. Thus, an active immunity often involves humoral immunity (B-cells) and cell-mediated immunity (T-cells).